public class HelloWorld {
public static void main(String args[]){// String args[]字符串数组的意思
String str = "helloworld";
byte data[] = str.getBytes();//将字符串变成字节数组
for(int x = 0;x < data.length;x++){
data[x] -= 32;
}
System.out.println(data);
System.out.println(new String(data));
System.out.println(new String(data,0,5));
}
}
7.10 字符串与字节
发布时间 2023-06-06 22:30:16作者: 盘思动