sgopalan
diff --git a/‎src/com/winterbe/java8/samples/misc/Math1.java
Lines changed: 57 additions & 0 deletions b/‎src/com/winterbe/java8/samples/misc/Math1.java
Lines changed: 57 additions & 0 deletions
diff --git a/‎src/com/winterbe/java8/samples/misc/StrictMath1.java
Lines changed: 0 additions & 18 deletions b/‎src/com/winterbe/java8/samples/misc/StrictMath1.java
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+package com.winterbe.java8.samples.misc;
+
+/**
+ * @author Benjamin Winterberg
+ */
+public class Math1 {
+
+    public static void main(String[] args) {
+        testMathExact();
+        testUnsignedInt();
+    }
+
+    private static void testUnsignedInt() {
+        try {
+            Integer.parseUnsignedInt("-123", 10);
+        }
+        catch (NumberFormatException e) {
+            System.out.println(e.getMessage());
+        }
+
+        long maxUnsignedInt = (1l << 32) - 1;
+        System.out.println(maxUnsignedInt);
+
+        String string = String.valueOf(maxUnsignedInt);
+
+        int unsignedInt = Integer.parseUnsignedInt(string, 10);
+        System.out.println(unsignedInt);
+
+        String string2 = Integer.toUnsignedString(unsignedInt, 10);
+        System.out.println(string2);
+
+        try {
+            System.out.println(Integer.parseInt(string, 10));
+        }
+        catch (NumberFormatException e) {
+            System.out.println("could not parse signed int of " + maxUnsignedInt);
+        }
+    }
+
+    private static void testMathExact() {
+        System.out.println(Integer.MAX_VALUE + 1);
+
+        try {
+            Math.addExact(Integer.MAX_VALUE, 1);
+        }
+        catch (ArithmeticException e) {
+            System.out.println(e.getMessage());
+        }
+
+        try {
+            Math.toIntExact(Long.MAX_VALUE);
+        }
+        catch (Exception e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}