Java Buzz Forum - Java interface programming questions

Java interface interview programs part 1:

Program #1: what will happen if we define normal methods in interface

package interfaceinverviewprograms.instanceofjava;
public interface A{
/**
* @java interface interview programming questions and answers for freshers and experienced
*/
void show() {
System.out.println("Hello world");
}
}

Click for Output

Program #2:java interview programs to practice: Non static variables in interface

package interfaceinverviewprograms.instanceofjava;
public interface A{
/**
* @java interface interview programming questions and answers for freshers and experienced
*/
int a,b;
}

Click for Output

Program #3:java interview programs to practice: which modifiers interface allows

package interfaceinverviewprograms.instanceofjava;
public interface A{
/**
* @java interface interview programming questions and answers for freshers and experienced
*/
private int x;
protected int y;
}

Click for Output

Program #4:java interview programs to practice: interface allows constructor?

package interfaceinverviewprograms.instanceofjava;
public interface A{
/**
* @java interface interview programming questions and answers for freshers and experienced
*/
A(){
}
}

Click for Output


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