java 数组操作

public class ByteTest {public static void main(String[] args) {int[]   a   =   new   int[50]; int[]   b   =   new   int[50]; for   (int   i   =   0;   i   <   50;   i++)   { a[i]   =   i; } for   (int   i   =   0;   i   <   50;   i++)   { b[i]   =   i   +   50; } int   []c   =   new   int[a.length+b.length]; System.arraycopy(a,   0,   c,   0,   a.length); System.arraycopy(b,   0,   c,   50,   b.length); System.out.println(java.util.Arrays.toString(c));}}