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1. What is the output of the following Java code ? int a=3, b=-3, c=0; if (a > = c){ if (b != -3) System.out.println("X"); System.out.println("Z"); } System.out.println("Y"); else else Z X 2. The Java expression: (3+2)*4 Can be also written as: (3*4+2*4) Incorrect Correct 3. The following Boolean expression: (x || !x) Will always give : true false

1. What is the output of the following Java code ? int a=3, b=-3, c=0; if (a > = c){ if (b != -3) System.out.println("X"); System.out.println("Z"); } System.out.println("Y"); else else Z X 2. The Java expression: (3+2)*4 Can be also written as: (3*4+2*4) Incorrect Correct 3. The following Boolean expression: (x || !x) Will always give : true false

Database System Concepts
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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H3-(1) Basic Java Syntax. (self learning quiz)

 

Introduction to Java Programming.

 

-You can add //comments for a better understanding. explanation throw

 

-Explanation through with answers.

 

-Please answer without abbreviation.

 

-Make it clean and clear typing/writing.

 

Thank you.

 

 

 

1. What is the output of the following Java code ? int a=3, b=-3, c=0; if (a >= c){ if (b != -3) System.out.println("X"); System.out.println("Z"); } System.out.println("Y"); else else Y Z X 2. The Java expression: (3+2)*4 Can be also written as: (3*4+2*4) Incorrect 3. The following Boolean expression: Correct (x || !x) Will always give : true 4. What is the output of the following Java code ? int x=0; x=(4-2*3)+5%4-2; System.out.println(x); false 5. The following Boolean expression: -1 !(!(!(!x))) Is equivalent to: 6. The following Boolean expression : !x !(X<5) else Is most equivalent to: else x!=5 x==5 x>=5 7. Given the following Java code, what will be the final value of variable k ? int k=4, j; k--; if (k%5==0) x>5 j=9; else if (k%7==0) j=28; else j=7; switch (k) { case 9: --k; break; case 28: ++k; break; default: k=k*2; break;} 8. What is the output of the following Java code ? int a=4, b=3, c=2; System.out.println("The result is = "+(++a*(c+8)/5-4*b--)); 6 The result is = 0 The result is = -4 The result is = -2 9. What is the output of the following Java code ? int h=2, f=0, m = -2; The result is = 2 if ((h >= m ^ h<m) && !(f != 0)) System.out.println("H"); System.out.println("L"); H 10. What is the output of the following Java code ? int year=2008; if ((year % 4 = = 0 && year % 100 != 0) || (year % 400 == 0)) System.out.println(year+" is a leap year !"); System.out.println(year+" is NOT a leap year !"); 2008 is a leap year ! 2008 is NOT a leap year ! 11. What is the output of the following Java code? int num=0; num--; System.out.println(num*-1);
Transcribed Image Text:1. What is the output of the following Java code ? int a=3, b=-3, c=0; if (a >= c){ if (b != -3) System.out.println("X"); System.out.println("Z"); } System.out.println("Y"); else else Y Z X 2. The Java expression: (3+2)*4 Can be also written as: (3*4+2*4) Incorrect 3. The following Boolean expression: Correct (x || !x) Will always give : true 4. What is the output of the following Java code ? int x=0; x=(4-2*3)+5%4-2; System.out.println(x); false 5. The following Boolean expression: -1 !(!(!(!x))) Is equivalent to: 6. The following Boolean expression : !x !(X<5) else Is most equivalent to: else x!=5 x==5 x>=5 7. Given the following Java code, what will be the final value of variable k ? int k=4, j; k--; if (k%5==0) x>5 j=9; else if (k%7==0) j=28; else j=7; switch (k) { case 9: --k; break; case 28: ++k; break; default: k=k*2; break;} 8. What is the output of the following Java code ? int a=4, b=3, c=2; System.out.println("The result is = "+(++a*(c+8)/5-4*b--)); 6 The result is = 0 The result is = -4 The result is = -2 9. What is the output of the following Java code ? int h=2, f=0, m = -2; The result is = 2 if ((h >= m ^ h<m) && !(f != 0)) System.out.println("H"); System.out.println("L"); H 10. What is the output of the following Java code ? int year=2008; if ((year % 4 = = 0 && year % 100 != 0) || (year % 400 == 0)) System.out.println(year+" is a leap year !"); System.out.println(year+" is NOT a leap year !"); 2008 is a leap year ! 2008 is NOT a leap year ! 11. What is the output of the following Java code? int num=0; num--; System.out.println(num*-1);
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