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- package com.example.foo;
- import java.lang.reflect.Field;
- public class SomeClass {
- public static void main(final String[] args) throws Throwable {
- final String s = "Umesh";
- changeString(s);
- }
- // We need a method so the compiler won't inline "s":
- static void changeString(final String s) throws Throwable {
- System.out.println("Original: " + s);
- final Field field = String.class.getDeclaredField("value");
- field.setAccessible(true);
- final char[] value = (char[]) field.get(s);
- value[0] = 'X';
- System.out.println("Changed: " + s);
- }
- }
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