44 lines
1.0 KiB
Java
44 lines
1.0 KiB
Java
// housekeeping/Demotion.java
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// (c)2021 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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// Demotion of primitives
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public class Demotion {
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void f1(double x) {
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System.out.println("f1(double)");
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}
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void f2(float x) { System.out.println("f2(float)"); }
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void f3(long x) { System.out.println("f3(long)"); }
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void f4(int x) { System.out.println("f4(int)"); }
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void f5(short x) { System.out.println("f5(short)"); }
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void f6(byte x) { System.out.println("f6(byte)"); }
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void f7(char x) { System.out.println("f7(char)"); }
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void testDouble() {
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double x = 0;
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System.out.println("double argument:");
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f1(x);
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f2((float)x);
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f3((long)x);
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f4((int)x);
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f5((short)x);
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f6((byte)x);
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f7((char)x);
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}
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public static void main(String[] args) {
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Demotion p = new Demotion();
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p.testDouble();
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}
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}
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/* Output:
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double argument:
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f1(double)
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f2(float)
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f3(long)
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f4(int)
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f5(short)
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f6(byte)
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f7(char)
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*/
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