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Merge pull request #931 from geoffliu/master
[Java/zh-cn] Fix explanation for ++ and -- operators.
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62c47e7c32
@ -124,7 +124,7 @@ public class LearnJava {
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// HashMaps
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///////////////////////////////////////
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// 操作符
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// 操作符
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///////////////////////////////////////
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System.out.println("\n->Operators");
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@ -161,10 +161,13 @@ public class LearnJava {
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// 自增
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int i = 0;
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System.out.println("\n->Inc/Dec-rementation");
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System.out.println(i++); //i = 1 后自增
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System.out.println(++i); //i = 2 前自增
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System.out.println(i--); //i = 1 后自减
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System.out.println(--i); //i = 0 前自减
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// ++ 和 -- 操作符使变量加或减1。放在变量前面或者后面的区别是整个表达
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// 式的返回值。操作符在前面时,先加减,后取值。操作符在后面时,先取值
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// 后加减。
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System.out.println(i++); // 后自增 i = 1, 输出0
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System.out.println(++i); // 前自增 i = 2, 输出2
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System.out.println(i--); // 后自减 i = 1, 输出2
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System.out.println(--i); // 前自减 i = 0, 输出0
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///////////////////////////////////////
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// 控制结构
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@ -192,7 +195,7 @@ public class LearnJava {
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}
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System.out.println("fooWhile Value: " + fooWhile);
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// Do While循环
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// Do While循环
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int fooDoWhile = 0;
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do
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{
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