New Examples

Author: lokeshgupta1981

src/main/java/com/howtodoinjava/core/basic/MathAbsoluteExamples.java

@@ -0,0 +1,28 @@
+package com.howtodoinjava.core.basic;
+
+public class MathAbsoluteExamples {
+
+  public static void main(String[] args) {
+
+    double doubleValue = -10.56;
+    float floatValue = -7.8f;
+    int intValue = -15;
+    long longValue = -123456789L;
+
+    System.out.println(STR."Absolute value of double: \{Math.abs(doubleValue)}");
+    System.out.println(STR."Absolute value of float: \{Math.abs(floatValue)}");
+    System.out.println(STR."Absolute value of int: \{Math.abs(intValue)}");
+    System.out.println(STR."Absolute value of long: \{Math.abs(longValue)}");
+
+    //Overflow / Underflow Issue
+
+    int intMinValue = Integer.MIN_VALUE;
+    long longMinValue = Long.MIN_VALUE;
+
+    System.out.println(STR."Absolute value of int: \{Math.abs(intMinValue)}");
+    System.out.println(STR."Absolute value of long: \{Math.abs(longMinValue)}");
+
+    System.out.println(STR."Absolute value of int: \{Math.absExact(intMinValue)}");
+    System.out.println(STR."Absolute value of long: \{Math.absExact(longMinValue)}");
+  }
+}

src/main/java/com/howtodoinjava/core/basic/StricfpExample.java

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+package com.howtodoinjava.core.basic;
+
+public class StricfpExample {
+
+  public static void main(String[] args) {
+    runMethod();
+  }
+
+  strictfp public static void runMethod() {
+    double x = 5.899999;
+    double y = 13.888345;
+    double z = 14.463534545;
+
+    double m1 = (x * y) * z;   // 1185.1596894396725
+    double m2 = (x * (y * z)); // 1185.1596894396728
+
+    System.out.println(m1);
+    System.out.println(m2);
+
+    System.out.println(m1 == m2);  //false
+  }
+}