22 lines
413 B
Java
22 lines
413 B
Java
// strings/Immutable.java
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// ©2015 MindView LLC: see Copyright.txt
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import static com.mindviewinc.util.Print.*;
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public class Immutable {
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public static String upcase(String s) {
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return s.toUpperCase();
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}
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public static void main(String[] args) {
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String q = "howdy";
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print(q); // howdy
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String qq = upcase(q);
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print(qq); // HOWDY
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print(q); // howdy
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}
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}
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/* Output:
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howdy
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HOWDY
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howdy
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*/
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