25 lines
582 B
Java
25 lines
582 B
Java
// generics/Erased.java
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// (c)2017 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// {WillNotCompile}
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public class Erased<T> {
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private final int SIZE = 100;
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public void f(Object arg) {
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// error: illegal generic type for instanceof
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if(arg instanceof T) {}
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// error: unexpected type
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T var = new T();
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// error: generic array creation
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T[] array = new T[SIZE];
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// warning: [unchecked] unchecked cast
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T[] array = (T[])new Object[SIZE];
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}
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}
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