java字符串转换数组
public class Test {
public static void main(String args[]) {
String str = "helloworld";
char[] data = str.toCharArray();// 将字符串转为数组
for (int x = 0; x < data.length; x++) {
System.out.print(data[x] + " ");
data[x] -= 32; //ASCLL减少32位变成大写
System.out.print(data[x] + " ");
}
System.out.println(new String(data));
}
}
输出:h H e E l L l L o O w W o O r R l L d D HELLOWORLD
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