src/share/classes/java/lang/Float.java

@@ -457,11 +457,11 @@
      *
      * @param   v   the value to be tested.
      * @return  {@code true} if the argument is NaN;
      *          {@code false} otherwise.
      */
-    static public boolean isNaN(float v) {
+    public static boolean isNaN(float v) {
         return (v != v);
     }
 
     /**
      * Returns {@code true} if the specified number is infinitely

@@ -469,14 +469,29 @@
      *
      * @param   v   the value to be tested.
      * @return  {@code true} if the argument is positive infinity or
      *          negative infinity; {@code false} otherwise.
      */
-    static public boolean isInfinite(float v) {
+    public static boolean isInfinite(float v) {
         return (v == POSITIVE_INFINITY) || (v == NEGATIVE_INFINITY);
     }
 
+
+    /**
+     * Returns {@code true} if the argument is a finite floating-point
+     * value; returns {@code false} otherwise (for NaN and infinity
+     * arguments).
+     *
+     * @param f the {@code float} value to be tested
+     * @return {@code true} if the argument is a finite
+     * floating-point value, {@code false} otherwise.
+     * @since 1.8
+     */
+     public static boolean isFinite(float f) {
+        return Math.abs(f) <= FloatConsts.MAX_VALUE;
+    }
+
     /**
      * The value of the Float.
      *
      * @serial
      */