Update LearnMath.java

rahulXbarnwal · web-flow · commit 10d5ccbf3f90 · 2026-03-07T18:47:56.000+05:30
diff --git a/src/basics2/LearnMath.java b/src/basics2/LearnMath.java
@@ -5,7 +5,9 @@ public static void main(String[] args) {
         System.out.println(getRandom(10, 20));
     }
 
-    public static int getRandom(int a, int b) {
-        return (int) (Math.random() * (b - a + 1) + a);
+    public static int getRandom(int l, int r) {
+        return l + (int)(Math.random() * (r - l + 1));
     }
 }
+
+// Math.random() ->  0.0 ≤ value < 1.0

Original file line number	Diff line number	Diff line change
`@@ -5,7 +5,9 @@ public static void main(String[] args) {`
`5`	`5`	`System.out.println(getRandom(10, 20));`
`6`	`6`	`}`
`7`	`7`
`8`		`- public static int getRandom(int a, int b) {`
`9`		`- return (int) (Math.random() * (b - a + 1) + a);`
	`8`	`+ public static int getRandom(int l, int r) {`
	`9`	`+ return l + (int)(Math.random() * (r - l + 1));`
`10`	`10`	`}`
`11`	`11`	`}`
	`12`	`+`
	`13`	`+// Math.random() -> 0.0 ≤ value < 1.0`