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8 programming-using-java decision-making practices 20102011
This document is a lecture on decision making practices in Java. It identifies errors in code snippets involving if/else statements and while loops. It also contains examples to trace code with variables and determine output based on variable values. The document is in Arabic and English and presented by Mahmoud R. Alfarra on using Java and correcting errors in code involving conditional and iterative structures.
8 programming-using-java decision-making practices 20102011
- 1. Using Java MINISTRY OFEDUCATION & HIGHER EDUCATION COLLEGE OF SCIENCE AND TECHNOLOGY KHANYOUNIS- PALESTINE Lecture 8 Decision Making Practices
- 2. Identify and correctthe errors in each of the following sets of code: if ( gender == 1 ) System.out.println( "Woman" ); else; System.out.println( "Man" ); while ( z >= 0 ) sum += z; 2Presented & Prepared by: Mahmoud R. Alfarra Practice 1
- 3. Identify and correctthe errors in each of the following sets of code: if ( age >= 65 ); System.out.println( "Age greater than or equal to 65" ); else System.out.println( "Age is less than 65 )"; int x = 1, total; while ( x <= 10 ){ total += x; ++x; } 3Presented & Prepared by: Mahmoud R. Alfarra Practice 1
- 4. Identify and correctthe errors in each of the following sets of code: while ( x <= 100 ) total += x; ++x; while ( y > 0 ) { System.out.println( y ); ++y; } 4Presented & Prepared by: Mahmoud R. Alfarra Practice 1
- 5. Trace the followingprogram, assuming x =5, y = 8 and x=8, y=5: 5Presented & Prepared by: Mahmoud R. Alfarra Practice 2
- 6. Determine the outputfor each of the given sets of code when x is 9 and y is 11 and when x is 11 and y is 9. 6Presented & Prepared by: Mahmoud R. Alfarra Practice 2
- 7. Determine the outputfor each of the given sets of code when x is 9 and y is 11 and when x is 11 and y is 9. 7Presented & Prepared by: Mahmoud R. Alfarra Practice 2
- 8. العزة رب يقول(ـهنسبحا) (َلاـَكِّبَر اسم ِّـحِّبَسـىَلـْع) 8Presented & Prepared by: Mahmoud R. Alfarra
- 9. Practices 9Presented & Preparedby: Mahmoud R. Alfarra