javaProgramming/InstrumentMain.java at main · mradulvarshney/javaProgramming · GitHub

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abstractclassInstrument
{
publicabstractvoidPlay();
}
classPianoextendsInstrument
 {
publicvoidPlay()
 {
System.out.println("Piano is playing tan tan tan tan");
 }
 }

classFluteextendsInstrument
 {
publicvoidPlay()
 {
System.out.println("Flute is playing toot toot toot toot ");
 }
 }

classGuitarextendsInstrument
 {
publicvoidPlay()
 {
System.out.println("Guitar is playing tin tin tin");
 }
 }

classInstrumentMain {

publicstaticvoidmain(Stringargs[]) {
InstrumentA[] = newInstrument[10];
for (inti = 0; i< 10; i++) {
switch (i % 3)
 {
case0: {
A[i] = newPiano();
break;
 }
case1: {
A[i] = newFlute();
break;
 }
case2: {
A[i] = newGuitar();
break;
 }
 }
 }
for (inti = 0; i < 10; i++) {
System.out.println((i + 1));
A[i].Play();
if (A[i] instanceofPiano) {
System.out.println("Piano");
 }
if (A[i] instanceofFlute) {
System.out.println("Flute");
 }
if (A[i] instanceofGuitar) {
System.out.println("Guitar");
 }
 }
 }
 }