//String类常见的构造方法
public static void main(String[] args) {
String s1 = new String(); //空参构造
System.out.println(s1);
byte[] arr1 = {97,98,99}; //把子节数组转成字符串
String s2 = new String(arr1);
System.out.println(s2);
byte[] arr2 ={48,49,50,60,70,80,90};
String s3 = new String(arr2,2,3); //从arr2字符数组2索引开始转3个
System.out.println(s3);
char[] arr3 = {'a','b','c','d','e','f'};//将字符数组转成字符串
String s4 = new String(arr3);
System.out.println(s4);
String s5 = new String(arr3,1,3); //件arr3字符数组,从1索引开始转3个
System.out.println(s5);
String s6 = new String("haoma"); //把字符串常量转成字符串
System.out.println(s6);
}
}
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