A.default String s B.public final static native int w( ) C.abstract double d D.abstract final double hyperbolicCosine( )
A.安全性 B.多線性 C.跨平臺(tái) D.可移植
A.char c[][]=new char[2][4] B.char c[][]=new char[2][] C.char [][]c=new char[][3] D.int []a[] = new int[5][5]