北京國(guó)電北方電力科技有限公司研發(fā)中心面試題及參考答案
北京國(guó)電北方電力科技有限公司研發(fā)中心面試題及參考答案
招聘筆試真題
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Q1
Which of the following lines will compile without warning or error.
1) float f=1.3; 2) char c="a"; 3) byte b=257; 4) boolean b=null; 5) int i=10;
Q2
Which of the following statements are true?
1) If a class has any abstract methods it must be declared abstract itself.
2) All methods in an abstract class must be declared as abstract
3) When applied to a class, the final modifier means it cannot be sub-classed
4) transient and volatile are Java modifiers Q11
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