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Questions and Answers
What is the purpose of initializing variables in Java?
What is the purpose of initializing variables in Java?
- To prevent variable assignment errors
- To increase the memory allocated for variables
- To keep the compiler happy
- To assign a value to variables at the time of declaration (correct)
In Java, what is the correct syntax for initializing a variable of type String?
In Java, what is the correct syntax for initializing a variable of type String?
- String objectName = 'string';
- String objectName= "string"; (correct)
- String objectName = String: 'string';
- String objectName = new String('string');
Which symbol is referred to as the assignment operator in Java?
Which symbol is referred to as the assignment operator in Java?
- +
- = (correct)
- ==
- :=
What determines the kind of values a variable can hold in Java?
What determines the kind of values a variable can hold in Java?
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Why is it important to choose a meaningful variable name in Java?
Why is it important to choose a meaningful variable name in Java?
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What does a variable need before it can be used in Java?
What does a variable need before it can be used in Java?
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In Java, what is the correct syntax for assignment statements?
In Java, what is the correct syntax for assignment statements?
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Which of the following is a valid assignment statement in Java?
Which of the following is a valid assignment statement in Java?
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What is the purpose of a memory diagram in Java programs?
What is the purpose of a memory diagram in Java programs?
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When declaring variables in Java, what does 'int b = a;' indicate?
When declaring variables in Java, what does 'int b = a;' indicate?
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