Online Test for Java
- JAR stands for ________.
Java Application RunnerJava Archive RunnerJava ArchiveNone of these
- In Java SE 7 and later, underscore characters "_" can appear anywhere between digits in a numerical literal
TrueFalse
- The JRE deletes objects when it determines that they are no longer being used. This process is called Garbage Collection.
TrueFalse
- Which of these is a super class of all errors and exceptions in the Java language?
RunTimeExceptionsThrowableCatchableNone of the above
- The Java programming language is a ________?
Machine Level LanguageHigh Level LanguageAssembly Level LanguageNone of the above
- Which is right way to declare Array?
int[] myArray;int myArray[];int []myArray;A and B Both
- James Gosling is father of Java?
TrueFalse
- Overloaded methods are differentiated by
Number of argumentsData type of argumentsNumber and the Data type of the argumentsNone of the above
- Which method of System class is used to copy array?
copyArrayarrayCopyarraycopyarrCopy
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