String str1 = "iloveu";
final String str3 = "finalString";
/*final */String str5 = new String("newfinalString");
public void demo2(){
//TODO: 测试字符串怎样写会被写入常量池
String str2 = new String("iloveu").intern();//"iloveu";//new String("iloveu");
String str4 = new String("finalString").intern();//"finalString";//new String("finalString");
String str6 = str5.intern();//"newfinalString";
String str7 = "sjdljlgew";
String str8 = new String("sjdljlgew").intern();
String str9 = "newfinalString";
println("str1==str2: " + (str1 == str2));
println("str3==str4: " + (str3==str4));
println("str5==str6: " + (str5==str6));
println("str7==str8: " + (str7==str8));
println("str6==str9: " + (str6==str9));
}
输出结果：
// System.out: str1==str2: true
// System.out: str3==str4: true
// System.out: str5==str6: false
// System.out: str7==str8: true
// System.out: str6==str9: true | 
转播
