如何打印变量的名称？

for name, value in locals().items():
    print(name, value)

String variable = "Hello";
Field[] fields = MyClass.class.getDeclaredFields();
for (Field field : fields) {
    if (field.getType().equals(String.class) && field.get(null).equals(variable)) {
        System.out.println(field.getName());
        break;
    }
}

var variable = "Hello";
var obj = { variable };
Object.keys(obj).forEach(function(key) {
    console.log(key, obj[key]);
});