String类的构造方法详解

2022-12-07,,,

package StringDemo;
//String类的构造方法详解
//方法一:String();
//方法二:String(byte[] bytes)
//方法三:String (byte[] bytes,int index,int length)
//方法四:String(char[] value)
//方法五:String(char[] value,int index,int length)
//方法六:String(String str)
public class StringDemo1 { public static void main(String[] args) {
//方法一:String();
String s1=new String();
//String这个类重写了Object父类的方法,return this;
System.out.println("s1:"+s1);
System.out.println("s1.length:"+s1.length());
System.out.println("---------------------"); //方法二:String(byte[] bytes)
byte[] byts={,,,,,};
String s2=new String(byts);
System.out.println("s2:"+s2);
System.out.println("s2.length:"+s2.length());
System.out.println("---------------------"); //方法三:String (byte[] bytes,int index,int length)
byte[] byts2={,,,,,};
String s3=new String(byts2,,);
System.out.println("s3:"+s3);
System.out.println("s3.length:"+s3.length());
System.out.println("---------------------"); //方法四:String(char[] value)
char [] value={'a','b','c','d','e','f'};
String s4=new String(value);
System.out.println("s4:"+s4);
System.out.println("s4.length:"+s4.length());
System.out.println("---------------------"); //方法五:String(char[] value,int index,int length)
char [] value2={'a','b','c','d','e','f'};
String s5=new String(value,,);
System.out.println("s5:"+s5);
System.out.println("s5.length:"+s5.length());
System.out.println("---------------------"); //方法六:String(String str)
String s6=new String("abcdef");
System.out.println("s6:"+s6);
System.out.println("s6.length:"+s6.length());
System.out.println("---------------------"); } }

String类的构造方法详解的相关教程结束。

《String类的构造方法详解.doc》

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