package test1; public abstract class EmptyBody { public EmptyBody() {} public EmptyBody(int i) {} public EmptyBody(String i) { System.out.println(i); } public EmptyBody(double d) { this(3); } public void m1(int i, int j) {} public void m2(int i, int j) { try { return; } catch (Exception e) {} } public int m3(int k) { return 0; } public native int m4(); public abstract int m5(); }