spetial jvm intern
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class Main {
public static void main(String[] args) {
System.out.println(System.getProperty("java.version"));
System.out.println(System.getProperty("java.vendor"));
System.out.println(System.getProperty("java.vendor.url"));
System.out.println(System.getProperty("java.home"));
System.out.println(System.getProperty("java.vm.specification.version"));
System.out.println(System.getProperty("java.vm.version"));
System.out.println(System.getProperty("java.vm.vendor"));
System.out.println(System.getProperty("java.vm.name"));
String s1 = new StringBuilder("go").append("od").toString();
System.out.println(s1.intern() == s1);
String s2 = new StringBuilder("ja").append("va").toString();
System.out.println(s2.intern() == s2);
}
}
Java
INFO