16 lines
446 B
Java
16 lines
446 B
Java
public class emptystring
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{
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public static void main(String[] args)
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{
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System.out.println("null".equals(n(0) + ""));
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System.out.println("null".equals("" + n(0)));
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System.out.println("x".equals(n(1) + ""));
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System.out.println("x".equals("" + n(1)));
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}
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static String n(int i)
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{
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if (i==0) return null; else return "x";
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}
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}
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