Java tutorial
//package com.java2s; public class Main { public static float bracketFloat(float value, float lower, float upper) { if (upper < lower) return 0f; if (value > upper) return upper; if (value < lower) return lower; return value; } public static float bracketFloat(String str, float floor, float ceiling) throws NumberFormatException { float val = 0f; try { val = Float.parseFloat(str); } catch (NumberFormatException e) { e.printStackTrace(); } val = bracketFloat(val, floor, ceiling); return val; } }