Simple Java Program First of all, how to configure command prompt This image helpful to configure command prompt. 1. STAR PYRAMID program: class Star { public static void main(String args[]) { int a,b; for(a=1;a<=5;a++) { for(b=a;b<=5;b++) System.out.print("*"); System.out.println(); } } } Output: 2. Number Pyramid using Array class Darray { public static void main(String args[])throws Exception { int abc[][]=new int[4][5]; int i,j,k=0; for(j=0;j { for(i=0;i { abc[i][j]=k; k++; } } for(j=0;j { for(i=0;i { System.out.print(abc[i][j]+" "); k++; } System.out.println(); } } } Output: 3. Constructor Sample Program: class Box { double l; double w; double h; double vol; Box(double x, double y, double z) { l=x; w=y; h=z; } double Boxvol() { vol=l*w*h; return(vol); } } class Rectanglevolume { public static void main(Strin...
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