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[update] jdk 10的示例

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maxf 2025-08-12 18:11:44 +08:00
parent b29d5741dc
commit 18dfea4d87
2 changed files with 3 additions and 1 deletions
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3
.gitignore vendored
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@ -33,4 +33,5 @@ build/
.vscode/ .vscode/
*.log *.log
*.class *.class
/demo2/java9-example/mods/

1
demo2/java10-example/src/main/java/OtherFeaturesExample.java
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@ -24,6 +24,7 @@ public class OtherFeaturesExample {
// Collection.toArray() 新重载方法 // Collection.toArray() 新重载方法
List<String> stringList = Arrays.asList("Java", "10", "新特性"); List<String> stringList = Arrays.asList("Java", "10", "新特性");
// Java 10新增的重载方法，可以直接指定数组类型 // Java 10新增的重载方法，可以直接指定数组类型
// String[] stringArray = stringList.toArray(stringList.toArray(new String[0]));
String[] stringArray = stringList.toArray(String[]::new); String[] stringArray = stringList.toArray(String[]::new);
System.out.println("Collection.toArray() 新方法结果: " + Arrays.toString(stringArray)); System.out.println("Collection.toArray() 新方法结果: " + Arrays.toString(stringArray));