Create Java code explaining atan(), ceil(), copySign() method in lang.Math class

Kldeep · web-flow · commit 75c6076050ba · 2020-10-12T21:33:03.000+05:30
diff --git a/Java code explaining atan(), ceil(), copySign() method in lang.Math class b/Java code explaining atan(), ceil(), copySign() method in lang.Math class
@@ -0,0 +1,76 @@
+// Java program explaining lang.Math class methods 
+// atan(), ceil(), copySign() 
+
+  
+
+import java.math.*; 
+
+public class NewClass 
+{ 
+
+    public static void main(String[] args) 
+
+    { 
+
+        // Use of atan() method 
+
+        double Atani = Math.atan(0); 
+
+        System.out.println("atan value of Atani : "+Atani); 
+
+        double x = Math.PI/2; 
+
+  
+
+        // Use of toRadian() method 
+
+        x = Math.toRadians(x); 
+
+        double Atanj = Math.atan(x); 
+
+        System.out.println("atan value of Atanj : "+Atanj); 
+
+        System.out.println(""); 
+
+  
+
+  
+
+        // Use of ceil() method 
+
+        double val = 15.34 ,ceilval; 
+
+        ceilval = Math.ceil(val); 
+
+        System.out.println("ceil value of val : "+ceilval); 
+
+        System.out.println(""); 
+
+  
+
+        double dblMag = val; 
+
+        double dblSign1 = 3; 
+
+        double dblSign2 = -3; 
+
+  
+
+  
+
+        // Use of copySign() method 
+
+        double result1 = Math.copySign(dblMag,dblSign1); 
+
+        System.out.println("copySign1 : "+result1); 
+
+  
+
+        double result2 = Math.copySign(dblMag,dblSign2); 
+
+        System.out.println("copySign2 : "+result2); 
+
+          
+
+    } 
+}
