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Answer 36

Listing 5 . Listing for Answer 36.
/*File SampProg07.java from module 22 Copyright 1997, R.G.BaldwinWithout reviewing the following solution, write a Java application that clearly illustrates the difference betweenthe prefix and the postfix versions of the increment operator.Provide a termination message that displays your name. *********************************************************/class SampProg07{ static public void main(String[]args){ int x = 3;int y = 3; int z = 10;System.out.println("Prefix version gives " + (z + ++x));System.out.println("Postfix version gives " + (z + y++));System.out.println("Terminating, Dick Baldwin"); }//end main}//end class SampProg07

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Answer 35

Java supports the following list of shortcut assignment operators. These operators allow you to perform an assignment and another operation with asingle operator.

+= -=*= /=%=&= |=^=<<=>>=>>>=

For example, the two statements that follow perform the same operation.

  • x += y;
  • x = x + y;

The behavior of each of the shortcut assignment operators follows this same pattern.

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Answer 34

True.

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Answer 33

The assignment operator is a binary operator.

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Answer 32

True.

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Answer 31

The answer for the bitwise exclusive or is:

  • 11 1 xor 1 produces 0
  • 10 1 xor 0 produces 1
  • 01 0 xor 1 produces 1
  • 00 0 xor 0 produces 0

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Answer 30

The answer for the bitwise inclusive or is:

  • 11 1 or 1 produces 1
  • 10 1 or 0 produces 1
  • 01 0 or 1 produces 1
  • 00 0 or 0 produces 0

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Answer 29

The answer for the bitwise and is:

  • 11 1 and 1 produces 1
  • 10 1 and 0 produces 0
  • 01 0 and 1 produces 0
  • 00 0 and 0 produces 0

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Answer 28

True: Bits shifted off the right end are lost.

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Answer 27

False: In Java, the signed right shift operation populates the vacated bits with the sign bit, while the left shift and the unsigned right shift populate the vacated bits with zeros.

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Answer 26

The following table shows the seven bitwise operators supported by Java.

Bitwise operators Operator Typical Use Operation>>OpLeft>>Dist Shift bits of OpLeft right by Dist bits (signed)<<OpLeft<<Dist Shift bits of OpLeft left by Dist bits>>>OpLeft>>>Dist Shift bits of OpLeft right by Dist bits (unsigned)&OpLeft&OpRight Bitwise and of the two operands| OpLeft | OpRight Bitwise

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Answer 25

The bitwise and operator and the bitwise inclusive or operator are shown below.

Two bitwise operators &bitwise and | bitwise inclusive or

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Answer 24

An important characteristic of the behavior of the logical and operator and the logical or operator in Java is that the expressions containing them are evaluated from left to right. The evaluation of the expression is. terminated as soon as the result of evaluatingthe expression can be determined. For example, in the expression given in Question 24 , if the variable a is less than the variable b , there is no need to evaluate the right operand of the || operator to determine the value of the entire expression. Therefore, evaluation will terminate as soon as it isdetermined that a is less than b .

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Source:  OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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