Which of the following is/are legal method declarations? 1 protected abstract void m1(); 2 static final void m1(){} 3 synchronized public final void m1() {} 4 private native void m1();

Which of the following is/are legal method declarations?

1 protected abstract void m1();

2 static final void m1(){}

3 synchronized public final void m1() {}

4 private native void m1();

[A].	1 and 3
[B].	2 and 4
[C].	1 only
[D].	All of them are legal declarations.

Answer: Option D

Explanation:

All the given statements are legal declarations.