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< Java Class and Objects Last >



Example: Using For Loop
class Main {
 public static void main(String[] args) {
   int[] age = {12, 4, 5};
   System.out.println("Using for Loop:");
   for(int i = 0; i < age.length; i++) {
     System.out.println(age[i]);
   }
 }
}

Using the for-each Loop
class Main {
 public static void main(String[] args) {
   int[] age = {12, 4, 5};
   System.out.println("Using for-each Loop:");
   for(int a : age) {
     System.out.println(a);
   }
 }
}

2) concatnate two array 

public class concatnate_two_array {
    public static void main(String[] args) {
        int[] array1 = {12,13,14,15,16};
        int[] array2 = {21,32,43,45,65};
        int length = array1.length + array2.length;
        int[] result = new int[length];
        int position =0;
        for(int e: array1){
            result[position]=e;
            position++;
        }
        for(int e: array2){
            result[position]= e;
            position++;
        }
        for(int x:result){
            System.out.println(x);
        }
    }
}

3)Print all elements of 2d array Using Loop

public class multidiamentional_array {
    public static void main(String[] args) {
        int[][] tda = new int[3][4];//Three rows and four columns
        //or 
        int[][] xda =  {{12,45},
                        {12,45,48},
                        {19}};    
        System.out.println(xda[0].length);
        System.out.println(xda[1].length);
        System.out.println(xda[2].length);
        for(int i=0;i<xda.length;i++){
            for(int j=0;j<xda[i].length;j++){
                System.out.print(xda[i][j]+" ");
            }
            System.out.println();
        }
    }
}

< Java Class and Objects Last >



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