- 判断对错
(1) long l1 = 2147483648
(2) long l = 888;
(3) byte b = 128;
(4) short s1 = 32767;
- 判断对错升级版
(1) byte b1 = 4;
byte b2 = 5;
byte b3 = b1 + b2;
(2) byte b = 10;
short s = 5;
int i = b + s;
System.out.println(i1);
(3) char c1 = 'a';
int i1 = c1 + 100;
System.out.printf("i1:" + i1);
System.out.println((byte)c1);
ps:参考博客十五做哦!
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