Which of the following are valid assignment statement in Java? You can select more than one answer.Group of answer choicesfloat x = 3.5;int x = 3.5;boolean x = 0;double x = 3.5;int x = (int)3.5;
Question
Which of the following are valid assignment statement in Java? You can select more than one answer.Group of answer choicesfloat x = 3.5;int x = 3.5;boolean x = 0;double x = 3.5;int x = (int)3.5;
Solution
The valid assignment statements in Java from the given options are:
- double x = 3.5;
- int x = (int)3.5;
Explanation:
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float x = 3.5; is not valid because in Java, decimal numbers are double by default. If you want to assign a decimal number to a float variable, you need to append 'f' or 'F' to the number. So, the correct statement would be float x = 3.5f;
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int x = 3.5; is not valid because you can't assign a decimal number to an integer variable in Java. The correct statement would be int x = 3; or int x = (int)3.5; where (int) is used to cast the decimal number to an integer.
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boolean x = 0; is not valid because in Java, boolean variables can only be assigned the values true or false. So, the correct statement would be boolean x = false; or boolean x = true;
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double x = 3.5; is valid because you can assign a decimal number to a double variable in Java.
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int x = (int)3.5; is valid because (int) is used to cast the decimal number to an integer. The decimal part is truncated and the number becomes an integer.
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