Tag: programming languages

Quizzes (351) Questions (7021)

Questions Related to programming languages

Multiple choice technology programming languages

Which two of the following orders are used in ORDER BY clauses?

ABS
ASC
DESC
DISC

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Multiple choice technology programming languages

The default character for specifying runtime variables in SELECT statements is

Ampersand
Ellipses
Quotation marks
Asterisk

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Multiple choice technology programming languages

Which of the following is not a group function?

avg( )
sqrt( )
sum( )
max( )

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Multiple choice technology programming languages

The appropriate table to use when performing arithmetic calculations on values defined within the SELECT statement (not pulled from a table column) is

EMP
The table containing the column values
DUAL
An Oracle-defined table

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Multiple choice technology programming languages

A monitor called nik has 3 threads, having same priority, in its waiting pool; How can we notify one of the threads, named 'thread1' to move from Waiting state to Ready

Execute notify(thread1); from within synchronized code of mon.
Execute mon.notify(thread1); from synchronized code of any object.
Execute thread1.notify(); from synchronized code of any object.
Execute thread1.notify(); from any code(synchronized or not) of any object.
You cannot specify which thread will get notified.

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Multiple choice technology programming languages

What of the following fails to cause a thread stop executing ?

The program exits via a call to System.exit(0);
Another thread is given a higher priority.
A call to the thread's stop method.
A call to the halt method of the Thread class.

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Multiple choice technology programming languages

A monitor called nik has 3 threads, having same priority, in its waiting pool; How can we notify one of the threads, named 'thread1' to move from Waiting state to Ready State?

Execute notify(thread1); from within synchronized code of mon.
Execute mon.notify(thread1); from synchronized code of any object.
Execute thread1.notify(); from synchronized code of any object.
Execute thread1.notify(); from any code(synchronized or not) of any object.
You cannot specify which thread will get notified.

Reveal answer Fill a bubble to check yourself

Multiple choice technology programming languages

What of the following fails to cause a thread stop executing ?

The program exits via a call to System.exit(0);
Another thread is given a higher priority.
A call to the thread's stop method.
A call to the halt method of the Thread class.

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Multiple choice technology programming languages

Program output : package com.collection.examples; import java.util.HashSet; public class HashSetExample { public static void main(String[] args) { HashSet s = new HashSet();//1 for(short i = 0; i<100;i++){ //2 s.add(i); //3 s.remove(i-1); //4 } System.out.println(s.size()); //5 } }

NumberFormat Exception
100
Compilation fails at line 4
99

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Multiple choice technology programming languages

Which of the following options is true for the following program: try { if (choice) { while (true) } else { system .exit(1): } }finally { codetocleanup(); }

Runtime Exception
finally block will be executed
finally block will not be executed
Compilation error in else block

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