21. Print a graphic using a double loop

/** Print Diamond **/ Public classPRINTLX { Public Static voidMain (string[] args) {//Outer Loop, executes five times, outputs one line at a time *         for(inti = 1; I <= 5; i++) {             for(intj=1;j<=5-i;j++) {System.out.print (" "); }            //Inner Loop, execute five times, output one at a time *             for(intj = 1;j<=2*i-1;j++) {System.out.print ("*");        } System.out.println (); }         for(inti = 1; I <= 4; i++) {             for(intj=1;j<=i;j++) {System.out.print (" "); }            //Inner Loop, execute five times, output one at a time *             for(intj = 1;j<=7-2* (i-1); J + +) {System.out.print ("*");        } System.out.println (); }    }}

/** Print Parallelogram **/ Public classPrintparallelogram { Public Static voidMain (string[] args) {//Outer Loop, executes five times, outputs one line at a time *         for(inti = 1; I <= 5; i++) {             for(intj = 1; J <= 5-i; J + +) {System.out.print (" "); }            //Inner Loop, execute five times, output one at a time *             for(intj = 1;j<=5;j++) {System.out.print ("*");        } System.out.println (); }    }}

/** Print Rectangle **/ Public classPrintrect { Public Static voidMain (string[] args) {//Outer Loop, executes five times, outputs one line at a time *         for(inti = 1; I <= 5; i++) {            //Inner Loop, execute five times, output one at a time *             for(intj = 1;j<=5;j++) {System.out.print ("*");        } System.out.println (); }    }}

/** Print isosceles triangle **/ Public classPRINTSJX { Public Static voidMain (string[] args) {//Outer Loop, executes five times, outputs one line at a time *         for(inti = 1; I <= 5; i++) {             for(intj=1;j<=5-i;j++) {System.out.print (" "); }            //Inner Loop, execute five times, output one at a time *             for(intj = 1;j<=2*i-1;j++) {System.out.print ("*");        } System.out.println (); }    }}

21. Print a graphic using a double loop