1 abstract class Signatures { 2 boolean z; 3 byte b; 4 char c; 5 short s; 6 int i; 7 long j; 8 float f; 9 double d; 10 String l; 11 int[] oneDim; 12 int[][] twoDim; 13 abstract void m1(); 14 abstract int m2(int i1, int i2, double d); 15 abstract String[] m3(String[][] s, boolean z); 16 }