Suppose ArrayList x contains two strings [Beijing, Singapore]. Which of the following methods will cause the list to become [Beijing, Chicago, Singapore]?

Can we override a static method?

Java allows you to specify two types of variables: primitive, which store a single value, and

output of program class Test {T obj; Test(T obj) { this.obj=obj } T getobj() {return obj; } } class RunC {public static void main(String[] ar) { Test obj=new Test('hello'); System.out.print(obj.getobj()); } }

Can a class be both abstract and final?

Which Map implementation is safe for modification in a multi-threaded program?

Which code snippet is valid?

In Java, what is the scope of a method's argument or parameter?

What phrase indicates that a function receives a copy of each argument passed to it rather than a reference to the objects themselves?

When should you use a static method?

Which operator is used to concatenate Strings in Java