java-Do while

public class DoWhile {

    public static void main(String[] args) {

        int coun=0;

        do{

            coun++;

            System.out.println(coun);

        }while(coun<=10);

    }

}

Number length

public class NumberLength {

    public static void main(String[] args) {

        System.out.println(average(1,2,3,4,5,6));

    }

    public static int average(int... numbers)

    {

        int total=0,a = 0;

        for (int i=0;i<numbers.length;i++)

        {

            a=numbers[i]+a;

        }

        return a;

    }

}

Inhance Loop

public class EnhanceLoop {

    public static void main(String[] args) {

        int a[]={5,2,3,5};

        int total =0;

        for(int x:a)

        {

            total+=x;

        }

        System.out.println(total);

    }

}

ARRAY in Method

public class ArrayMethod {

    public static void main(String[] args) {

        int a[]={3,5,4,6};

        change(a);

    }

    public static void change(int x[])

    {

        for(int i=0;i<x.length;i++)

        {

            System.out.println(x[i]);

        }

    }

}

Array Input 2D

public class Array2Dinput {

    public static void main(String[] args) {

        int two[][]={{8,3,4,5},{2,4,5,3,6},{4,1,2,5,7,8}};

        int one[][]={{4,2,4,5,3},{1,2,4,5,6},{5}};

        System.out.println("One");

        display(one);

        System.out.println("TWO");

        display(two);

    }

    public  static void display(int x[][])

    {

        for(int i=0;i<x.length;i++)

        {

            for(int j=0;j<x[i].length;j++)

            {

                System.out.print(x[i][j]+" ");

            }

            System.out.println("\t");

        }

    }

}

Java- Array–2D

Java Array 2D

 

import java.util.Scanner;

import java.util.Scanner;

public class Array2D {

    public static void main(String[] args) {

Scanner v = new Scanner(System.in);

int a,b;

System.out.println("Enter row :");

    a= v.nextInt();

System.out.println("Enter coloum :");

    b= v.nextInt();

    int c[][]=new int[a][b];    

    for(int i=0;i<c.length;i++)

    {

        for(int j=0;j<c[i].length;j++)

        {

            c[i][j]=v.nextInt();

        }

    }

    //............................

    System.out.println("output");

    for(int i=0;i<c.length;i++)

    {

        for(int j=0;j<c[i].length;j++)

        {

            System.out.print(c[i][j]+" ");

        }

        System.out.println("\n");    

    }

    }

}