
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
Which values are marked for deallocation after the sequence?
Integerobj1=newInteger(10);Integerobj2=newInteger(20);Integerobj3=obj2;Integerobj4=newInteger(40);obj2=null;obj4=obj1;
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only 20
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only 40
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20 and 40
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no values are marked for deallocation
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Which expressions for XXX, YYY, and ZZZ output "Great job" for scores above 90, and "Nice try" otherwise? Choices are in the form XXX / YYY / ZZZ.
intscore;score=scnr.nextInt();if(XXX){System.out.println(YYY);}else{System.out.println(ZZZ);}
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score < 91 / "Great job" / "Nice try"
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score < 91 / "Nice try" / "Great job"
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score > 90 / "Nice try" / "Great job"
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(Not possible for given code)
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The program should determine the largest integer seen. What should XXX be if the input values are any integers (negative and non-negative)? All variables are integers and have unknown initial values.
for(i=0;i<10;++i){currValue=scnr.nextInt();if(i==0){// First iterationXXX;}elseif(currValue>maxSoFar){maxSoFar=currValue;}}
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maxSoFar=0
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maxSoFar=currValue
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currValue=0
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currValue=maxSoFar
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