Which logical operator should replace X : Questions « Java Source And Data Type « SCJP

public class MainClass{
public static void main(String[] argv) throws Exception{
 int sz ;
    sz = 10;
    String tmp = null;
    if( tmp != null X tmp.equals( "BIG" ))
        sz = 20;
 }
}


A.      Replace X with &.
B.      Replace X with &&.
C.      Replace X with |.
D.      Replace X with ||.

1.28.Questions
	1.28.1.	Question: How to make the object eligible for garbage collection.
	1.28.2.	Answer: make object eligible for garbage collection.
	1.28.3.	Question: What is the range of values for type short?
	1.28.4.	Answer: short type value range
	1.28.5.	Question: What is the range of values for type byte?
	1.28.6.	Answer: byte type value range
	1.28.7.	Question: What is the range for type int?
	1.28.8.	Answer: int type value range
	1.28.9.	Question: what is the range for a long type variable
	1.28.10.	Anwser: range for long type value
	1.28.11.	Question: Importing slightly increases compilation time(True/False).
	1.28.12.	Answer: compilation time and importation
	1.28.13.	Question: Importing is strictly a compile-time function(True/False).
	1.28.14.	Answer: Importing and compile-time function
	1.28.15.	What is the range of values that can be stored in a short primitive variable?
	1.28.16.	Answer: short value range
	1.28.17.	What is the output of trying to compile the class and execute the following code?
	1.28.18.	Answer: equalsIgnoreCase
	1.28.19.	What is the correct way to initialize the array s?
	1.28.20.	Answer: array initialization
	1.28.21.	What is the output for the following code?
	1.28.22.	Answer: String array
	1.28.23.	What is the output from the following code(hexadecimal literal)?
	1.28.24.	Answer: hexadecimal literal
	1.28.25.	What is the output from the following code from command line?
	1.28.26.	Answer: reference main method parameter
	1.28.27.	What happens when you attempt to compile and run the following code(shifting long type variable)?
	1.28.28.	Answer: shifting long type variable
	1.28.29.	Given the following code fragment, what will happen when you try to compile and run the showSmall method?
	1.28.30.	Answer: parameter
	1.28.31.	Which logical operator should replace X
	1.28.32.	Answer: logical operator
	1.28.33.	What happens when you try to compile and run the following code(float)?
	1.28.34.	Answer: float point value calculation