Because all its methods are static methods. This would prevent people from doing stupid things like:
UnsignedNumbers un = new UnsignedNumbers();
...Or make the class final and add a private constructor:
public class UnsignedNumbers {
private UnsignedNumbers(){/*do not instantiate me*/}
}
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Because all its methods are static methods. This would prevent people from doing stupid things like:
UnsignedNumbers un = new UnsignedNumbers();
...Or make the class final and add a private constructor:
public class UnsignedNumbers { private UnsignedNumbers(){/*do not instantiate me*/} }