list与string数组其间的相互转化

list与string数组之间的相互转化

java基础教程之list与string[]转化

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List转换成String数组

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List<String> list = new ArrayList<String>();list.add("java1");list.add("java2");String[] strs = list.toArray(new String[list.size()]);for(String s : strs ) {     System.out.println(s);}

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String str[] = list.toArray(new String[]{});

String数组转换成List

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        String[] bears = {"A", "B", "C", "D"};           List<String> bearList = Arrays.asList(bears );           for (String bear: bearList ) {               System.out.println(bear);           }