41 lines
1.2 KiB
Java
41 lines
1.2 KiB
Java
// operators/Bool.java
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// Š2016 MindView LLC: see Copyright.txt
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// Relational and logical operators.
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import java.util.*;
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public class Bool {
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public static void main(String[] args) {
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Random rand = new Random(47);
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int i = rand.nextInt(100);
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int j = rand.nextInt(100);
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System.out.println("i = " + i);
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System.out.println("j = " + j);
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System.out.println("i > j is " + (i > j));
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System.out.println("i < j is " + (i < j));
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System.out.println("i >= j is " + (i >= j));
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System.out.println("i <= j is " + (i <= j));
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System.out.println("i == j is " + (i == j));
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System.out.println("i != j is " + (i != j));
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// Treating an int as a boolean is not legal Java:
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//! System.out.println("i && j is " + (i && j));
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//! System.out.println("i || j is " + (i || j));
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//! System.out.println("!i is " + !i);
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System.out.println("(i < 10) && (j < 10) is "
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+ ((i < 10) && (j < 10)) );
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System.out.println("(i < 10) || (j < 10) is "
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+ ((i < 10) || (j < 10)) );
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}
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}
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/* Output:
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i = 58
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j = 55
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i > j is true
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i < j is false
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i >= j is true
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i <= j is false
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i == j is false
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i != j is true
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(i < 10) && (j < 10) is false
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(i < 10) || (j < 10) is false
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*/
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