Answer 4 to 6 from images 1.Analyze the following code:boolean even = false;if (even = true) {System.out.println("It is even");}a. The program has a compile error.b. The program has a runtime error.c. The program runs fine but displays nothing.d. The program runs fine and displays It is even.2. Suppose x = 1, y=-1, and z = 1. What is the output of the following statement?if (x > 0)if (y > 0)System.out.println("x > 0 and y > 0");else if (z > 0)System.out.println("x < 0 and z > 0");x>0 and y> 0;x< 0 and z> 0;x< 0 and z< 0;no output.а.b.с.d.3. Suppose isPrime is a boolean variable, which of the following are correct for testing if isPrimeis true.a. if (isPrime = true)b. if (isPrime == true)c. if (isPrime)d. if (!isPrime = false)e. if (!isPrime == false)4.Which of the following are possible output from invoking Math.random()?a.3.43b.0.5с.0.0d.1.0 5. Suppose you write the code to display "Cannot get a driver's license" if age is less than 16 and"Can get a driver's license" if age is greater than or equal to 16. Which of the following code arecorrect?I:if (age < 16)System.out.println("Cannot get a driver's license");if (age >= 16)System.out.println("Can get a driver's license");II:if (age < 16)System.out.println("Cannot get a driver's license");elseSystem.out.println("Can get a driver's license");IlII:if (age < 16)System.out.println("Cannot get a driver's license");else if (age >= 16)System.out.println("Can get a driver's license");IV:if (age < 16)System.out.println("Cannot get a driver's license");else if (age > 16)System.out.println("Can get a driver's license");else if (age == 16)System.out.println("Can get a driver's license");||a. Ib. IIс. Шd. IV6. Assume x = -4, which of the following is true?!(x == 4)a.b.x != 4X == 5x != 5с.d.

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Analyze the following code: boolean even = false; if (even = true) { System.out.println("It is even"); a. The program has a compile error. b. The program has a runtime error. c. The program runs fine but displays nothing. d. The program runs fine and displays It is even. 2. Suppose x = 1, y =-1, and z = 1. What is the output of the following statement? if (x > 0) if (y> 0) System.out.println("x > 0 and y > 0"); else if (z > 0) System.out.println("x < 0 and z > 0"); x> 0 and y> 0; x< 0 and z > 0; x< 0 and z< 0; a. b. с.

Analyze the following code: boolean even = false; if (even = true) { System.out.println("It is even"); a. The program has a compile error. b. The program has a runtime error. c. The program runs fine but displays nothing. d. The program runs fine and displays It is even. 2. Suppose x = 1, y =-1, and z = 1. What is the output of the following statement? if (x > 0) if (y> 0) System.out.println("x > 0 and y > 0"); else if (z > 0) System.out.println("x < 0 and z > 0"); x> 0 and y> 0; x< 0 and z > 0; x< 0 and z< 0; a. b. с.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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