OnJava8-Examples/validating/NonNullConstruction.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// validating/NonNullConstruction.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

import static com.google.common.base.Preconditions.*;

public class NonNullConstruction {

private Integer n;

private String s;

NonNullConstruction(Integer n, String s) {

this.n = checkNotNull(n);

this.s = checkNotNull(s);

}

public static void main(String[] args) {

NonNullConstruction nnc =

new NonNullConstruction(3, "Trousers");

}