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(1-3)请阅读程序,根据提示补全程序空白处,使程序能够正确运行。 class MyGenerics { public static 1 T fun( 2 t ) { // 可以接收任意类型的数据 System. out .print( t ); return t ; // 直接把参数返回 } } public class Demo4 { public static void main(String args []) { MyGenerics mg = new MyGenerics(); // 实例化泛型对象 String str = mg .fun( "5" ); // 传递字符串 int x = mg .fun(7); // 传递数字,自动装箱 System. out .print( str ); // 输出内容 System. out .print( x ); // 输出内容 } }
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A.
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B.
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C.
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D.
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E.
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A.
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B.
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D.
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A.
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B.
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