public static String memoryToString() { DecimalFormat fmt = new DecimalFormat("0.0"); return "Memory: " + fmt.format(RUNTIME.maxMemory() / 1048576D) + "MByte maximum, " + fmt.format(RUNTIME.totalMemory() / 1048576D) + "MByte total, " + fmt.format(RUNTIME.totalMemory() / 1048576D) + "MByte free"; }
public static void fullGC(boolean verbose) { if (verbose) System.out.print( new Date().toString() + ' ' + String.valueOf((RUNTIME.totalMemory() - RUNTIME.freeMemory()) / 1024L) + "Kb used"); long isFree = RUNTIME.freeMemory(); long wasFree; do { wasFree = isFree; RUNTIME.runFinalization(); RUNTIME.gc(); isFree = RUNTIME.freeMemory(); } while (isFree > wasFree); if (verbose) System.out.println( " --> " + String.valueOf((RUNTIME.totalMemory() - RUNTIME.freeMemory()) / 1024L) + "Kb used"); }