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[Java/cn] Fix inc/dec operator explanation

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Geoff Liu
2015-01-18 13:07:31 -07:00
parent 62d014ce3a
commit 40c38c125b
1 changed files with 9 additions and 6 deletions
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15
zh-cn/java-cn.html.markdown
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@@ -124,7 +124,7 @@ public class LearnJava {
// HashMaps // HashMaps
/////////////////////////////////////// ///////////////////////////////////////
// 操作符 // 操作符
/////////////////////////////////////// ///////////////////////////////////////
System.out.println("\n->Operators"); System.out.println("\n->Operators");
@@ -161,10 +161,13 @@ public class LearnJava {
// 自增 // 自增
int i = 0; int i = 0;
System.out.println("\n->Inc/Dec-rementation"); System.out.println("\n->Inc/Dec-rementation");
System.out.println(i++); //i = 1 后自增 // ++ 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
System.out.println(++i); //i = 2 前自增 // 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
System.out.println(i--); //i = 1 后自减 // 后加减。
System.out.println(--i); //i = 0 前自减 System.out.println(i++); // 后自增 i = 1, 输出0
System.out.println(++i); // 前自增 i = 2, 输出2
System.out.println(i--); // 后自减 i = 1, 输出2
System.out.println(--i); // 前自减 i = 0, 输出0
/////////////////////////////////////// ///////////////////////////////////////
// 控制结构 // 控制结构
@@ -192,7 +195,7 @@ public class LearnJava {
} }
System.out.println("fooWhile Value: " + fooWhile); System.out.println("fooWhile Value: " + fooWhile);
// Do While循环 // Do While循环
int fooDoWhile = 0; int fooDoWhile = 0;
do do
{ {