[Training Video - 2] [Java Introduction] [Operator, Loops, Arrays, Functions]

Operator :

While Loop :

For Loop : 

 

Arrays :

Code :

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public class FirstJavaClass {       public static void main(String[] args) {           int arr[] = new int[5];         arr[0]=78;         arr[1]=980;         arr[2]=98;         arr[3]=9;         arr[4]=765;                   System.out.println(arr[2]);         System.out.println("Length of array is --" + arr.length);         for(int i = 0;i<arr.length;i++){             System.out.println(arr[i]);         }                             String str[] = new String[3];         str[0]="USA";         str[1]="india";         str[2]="uk";         //str[3]="uytr";                   System.out.println("*************TWO DIM ARRAYS****************");                                //[ROW][COL]         String s[][] = new String[2][4];         // 1st row         s[0][0]="hello";         s[0][1]="world";         s[0][2]="java";         s[0][3]="qtp";                   // 2nd row         s[1][0]="usa";         s[1][1]="uk";         s[1][2]="India";         s[1][3]="Australia";                   System.out.println("Rows are --- "+s.length);         System.out.println("cols are --  "+s[0].length);                   System.out.println(s[0][1]);     } }

Result :

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98 Length of array is --5 78 980 98 9 765 *************TWO DIM ARRAYS**************** Rows are --- 2 cols are --  4 world

Object Arrays:

Functions :