What is -50 >> 1? : Questions « Operators « SCJP

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SCJP » Operators » Questions 
2.12.15.What is -50 >> 1?
public class MainClass{
    public static void main(String[] argv){
       System.out.println(-50 >> 1);
    }
}
2.12.Questions
2.12.1.May an interface type appear on the left-hand side of an instanceof operator?
2.12.2.Answer: interface type and instanceof operator
2.12.3.May a variable of primitive type appear on the left-hand side of an instanceof operator?
2.12.4.Answer: primitive type and instanceof operator
2.12.5.May a variable of object type appear on the right-hand side of an instanceof operator?
2.12.6.Answer: Reference type and instanceof operator
2.12.7.May a class appear on the right-hand side of an instanceof operator?
2.12.8.Answer: Class and instanceof operator
2.12.9.May an interface appear on the right-hand side of an instanceof operator?
2.12.10.Answer: interface and right side of instanceof operator
2.12.11.May A variable of primitive type appear on the right-hand side of an instanceof operator?
2.12.12.Answer: primitive type and the right-hand side of an instanceof operator
2.12.13.May a name of a primitive type appear on the right-hand side of an instanceof operator?
2.12.14.Answer: name of a primitive type and right-hand side of an instanceof operator
2.12.15.What is -50 >> 1?
2.12.16.Answer: result of -50 >> 1
2.12.17.What will happen when you try to compile the following code?
2.12.18.Answer: instanceof arraytype
2.12.19.How to check if the object reference x has the null value?
2.12.20.Answer: instanceof null
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