Menu Bài Viết:

Hoàng Quang Huy [C1907L]

Ngày viết: 21:03 22/04/2020

package lesson1;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        //Bài 1
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhập vào chuỗi source: ");
        String sourcestr = scan.nextLine();
        System.out.println("Nhập vào chuỗi searching: ");
        String searchingstr = scan.nextLine();

        int count = 0;
        int index = 0;

        while ((index = sourcestr.indexOf(searchingstr, index)) != -1) {
            count++;
            index++;

        }
        System.out.println("số lần xuất hiện: " + count);
        //Bài 2
        System.out.println("Nhập số nguyên n:");
        try {
            int n = Integer.parseInt(scan.nextLine());
            List<Integer> list = new ArrayList<>();
            for (int i = 0; i < n; i++) {
                System.out.println("Nhập giá trị phần tử thứ " + (i + 1) + " : ");
                list.add(Integer.parseInt(scan.nextLine()));
            }
        } catch (NumberFormatException e) {
            System.out.println("Invalid Input");
        }
        //Bài 3
        List<StringBuilder> listbuilder = new ArrayList<>();

        System.out.println("Nhập N: ");
        int n3 = Integer.parseInt(scan.nextLine());
        for (int i = 0; i < n3; i++) {
            StringBuilder builder = new StringBuilder();
            builder.append(scan.nextLine());
            listbuilder.add(builder);
        }
        System.out.println("Nhập chuỗi cần tìm: ");
        String searching = scan.nextLine();
        for (StringBuilder str : listbuilder) {
            if (str.indexOf(searching) != -1) {
                System.out.println("String: " + str);
            }
        }
    }
}

Nguyễn Hoàng Anh [C1907L]

Ngày viết: 21:00 22/04/2020

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package javaApril22;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

/**
 *
 * @author Redmibook 14
 */
public class JavaApril22x {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.println("Enter source string : ");
        String source = input.nextLine();
        System.out.println("Enter search string : ");
        String Search = input.nextLine();
        int index = 0;
        int count = 0;
        for (int i = 0; i < source.length(); i++) {
            if (source.indexOf(Search, index) != -1) {
                index = source.indexOf(Search, index);
                count++;
                index++;
            }

        }
        System.out.println(count);
        List<Integer> arr = new ArrayList<>();
        while (true) {
            System.out.println("Enter number : ");
            int number = Integer.parseInt(input.nextLine());
            arr.add(number);
            System.out.println("Continue Y/N ? ");
            String choice = input.nextLine();
            if (choice.equals("y")) {

            } else {
                break;
            }
        }

        System.out.println(arr.toString());
        StringBuilder Str = new StringBuilder();
        while (true) {
            System.out.println("Enter string : ");
            String number = input.nextLine();
            Str.append(number);
            System.out.println("Continue Y/N ? ");
            String choice = input.nextLine();
            if (choice.equals("y")) {

            } else {
                break;
            }
        }
        System.out.println(Str);
       
    }

}

Ngô Quang Huy [C1907L]

Ngày viết: 20:59 22/04/2020

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package April22StringBuilder;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

/**
 *
 * @author Administrator
 */
public class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.println("Bai1: ");
        int count =0;
        System.out.print("Source: ");
        String source = input.nextLine();
        System.out.print("Searching: ");
        String searching = input.nextLine();
        for(int i=0;i<source.length();i++){
            if(source.charAt(i) == searching.charAt(0)){
                String tmp = source.substring(i,i+searching.length());
                if(tmp.equals(searching)){
                    count++;
                }
            }
        }
        if(count!=0) System.out.println(count);
        else{
            System.out.println("Cannot Found");
        }
        
        System.out.println("Bai2:");
        List<Integer> list = new ArrayList<>();
        System.out.print("Enter number of element: ");
        int element = Integer.parseInt(input.nextLine());
        for(int i=0;i<element;i++){
            System.out.print("Number: ");
            int tmp = Integer.parseInt(input.nextLine());
            list.add(tmp);
        }
        for (Integer integer : list) {
            System.out.println(integer);
        }
        
        System.out.println("Bai3:");
        StringBuilder build = new StringBuilder();
        System.out.print("Enter number of element: ");
        List<Integer> index = new ArrayList<>();
        int elemen = Integer.parseInt(input.nextLine());
        index.add(0);
        for(int i=0;i<elemen;i++){
            System.out.print("String: ");
            String tmp = input.nextLine();
            build.append(tmp);
            build.append(" ");
            index.add(build.length());
        }
        System.out.println("Inseart search String: ");
        String search = input.nextLine();
        int c =0;
        int vt=0;
        for(int i=0;i<build.length();i++){
            if(build.charAt(i) == search.charAt(0)){
                String tmp = build.substring(i,i+search.length());
                if(tmp.equals(search)){
                    System.out.println(build.substring(index.get(vt), index.get(vt+1)));
                    i=index.get(vt+1);
                    vt++;
                }
            }
        }
    }
}

Vũ Việt Đức [C1907L]

Ngày viết: 20:56 22/04/2020

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package lession1;

import java.util.Scanner;

/**
 *
 * @author ADMIN
 */
public class Bai1 {
    public static void main(String[] agrs) {
        Scanner scan = new Scanner(System.in);
        String source, searching;
        int count = 0;
        int lastCount = 0;
        int indexStr = 0;
        
        System.out.print("Nhập chuỗi source: ");
        source = scan.nextLine();
        System.out.print("Nhập chuỗi searching: ");
        searching = scan.nextLine();
        
        do{
            lastCount++;
            if(source.indexOf(searching, indexStr) != -1){
                count++;
                indexStr = source.indexOf(searching, indexStr);
                indexStr++;
            }
        }while(count == lastCount);
        
        if(count > 0){
            System.out.println("Số lần chuỗi xuất hiện là: " + count);
        }else{
            System.out.println("Chuỗi searchingStr không xuất hiện lần nào trong trong chuỗi sourceStr");
        }
    }
}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package lession1;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

/**
 *
 * @author ADMIN
 */
public class Bai2 {
    public static void main(String[] agrs){
        List<Integer> intArr = new ArrayList<>();
        Scanner scan = new Scanner(System.in);
        int N;
        
        System.out.print("Nhập N: ");
        N = Integer.parseInt(scan.nextLine());
        if(N > 0){
            for(int i = 0; i < N; i++) {
                System.out.print("Nhập phần tử thứ " + (i + 1) + ": ");
                int temp = Integer.parseInt(scan.nextLine());
                intArr.add(temp);
            }
        }else {
            System.out.println("N phải lớn hơn 0!");
        }
        
    }
}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package lession1;

import java.util.Scanner;

/**
 *
 * @author ADMIN
 */
public class Bai3 {
    public Bai3(String searching, Object par1) {
    }
    public static void main(String[] args){
        StringBuilder stringbuider = new StringBuilder("searching");
        Scanner scan = new Scanner(System.in);
        int N;
        System.out.print("Nhập vào N số chuỗi: ");
        N = Integer.parseInt(scan.nextLine());
        if(N > 0){
            System.out.println("Chuỗi hiển thị: ");
            for (int i = 0; i < N; i++) {
                System.out.println(stringbuider);
            }
        }    
    }
}

Phạm Ngọc Minh [T1907A]

Ngày viết: 14:20 15/04/2020

package B1_java2;

import java.util.Scanner;


public class main {
        public static void main (String[]args){
        String source;   
        int searching = 0;
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhap  vao chuoi bat ky di my fen: ");
        source = scan.nextLine();
        
        for (int i = 0; i < source.length(); i++) {
            
                searching ++;
            
            }
        System.out.println("So lan xuat hien cua chuoi searching " +  " = " + searching);
    }
}

package B1_java2;
import java.util.ArrayList;
import java.util.Scanner;
import java.util.List;

public class List {
     public static void main(String[] args) {
       List<Integer> soNguyen;
        soNguyen = new ArrayList<>();
        int n;
        Scanner scanner = new Scanner(System.in);
        
        do{
            System.out.println("Nhap N so nguyen:");
            n = scanner.nextInt();
        }while(n < 0);
        System.out.println("Moi ban nhap cac so nguyen: ");
        System.out.println("============================");
        for(int i=0;i<n;i++){
            System.out.println("Nhap so nguyen thu : " +i);
            soNguyen.add(scanner.nextInt());
        }
    }
}

package B1_java2;
import java.util.Scanner;

public class StringBuilder {

    public StringBuilder(String searching, Object par1) {
    }
    public static void main(String[] args){
        StringBuilder stringbuider = new StringBuilder("searching");
        Scanner scanner = new Scanner(System.in);
        int n;
        
        do{
            System.out.println("Nhap vao N so chuoi : ");
            n = scanner.nextInt();
        }while(n < 1);
        System.out.println("Hien thi chuoi: ");
        for (int i = 0; i < n; i++) {
            System.out.println(stringbuider);
        }        
    
    }

}