Example usage for java.lang Integer MAX

Introduction

In this page you can find the example usage for java.lang Integer MAX_VALUE.

Prototype

int MAX_VALUE

To view the source code for java.lang Integer MAX_VALUE.

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Document

A constant holding the maximum value an int can have, 2³¹-1.

Usage

From source file:Main.java

/**
 * whether the service is running.//  www .  j ava 2s . c  o m
 */
public static boolean isServiceRunning(Context context, String className) {
    boolean isRunning = false;
    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.RunningServiceInfo> servicesList = activityManager
            .getRunningServices(Integer.MAX_VALUE);
    for (ActivityManager.RunningServiceInfo si : servicesList) {
        if (className.equals(si.service.getClassName())) {
            isRunning = true;
        }
    }
    return isRunning;
}

From source file:Main.java

/**
 * Checks if is service running./*from  ww  w.  j a  va  2  s.co  m*/
 *
 * @param ctx the ctx
 * @param theService the the service
 * @return true, if is service running
 */
public static boolean isServiceRunning(Context ctx, Class theService) {
    ActivityManager manager = (ActivityManager) ctx.getSystemService(Context.ACTIVITY_SERVICE);
    for (RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
        if (theService.getName().equals(service.service.getClassName())) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

public static int min(int[] x, int length) {
    int m = Integer.MAX_VALUE;
    for (int i = 0; i < length; i++)
        if (x[i] < m)
            m = x[i];//from w  w w . jav a2s  .  c  om
    return m;
}

From source file:TestLargest.java

  /**
 * Return the largest element in a list.
 * /* w  w  w  .j  a  v a2  s . c  o  m*/
 * @param list
 *            A list of integers
 * @return The largest number in the given list
 */
public static int largest(int[] list) {
  int index, max = Integer.MAX_VALUE;
  for (index = 0; index < list.length - 1; index++) {
    if (list[index] > max) {
      max = list[index];
    }
  }
  return max;
}

From source file:Main.java

public static final boolean checkServiceRunning(Context c, Class<? extends Service> cls) {
    ComponentName service = new ComponentName(c, cls);
    ActivityManager am = (ActivityManager) c.getSystemService(Context.ACTIVITY_SERVICE);
    if (am == null)
        throw new RuntimeException("Cannot check running services: ActivityManager is not available");
    for (ActivityManager.RunningServiceInfo runningService : am.getRunningServices(Integer.MAX_VALUE)) {
        if (runningService.service.equals(service))
            return true;
    }//from  ww  w  . j  av a 2 s  .  c  o m
    return false;
}

From source file:TestLargest.java

/**
 * Return the largest element in a list.
 * //  w  w  w . j  a  v a  2 s.  com
 * @param list
 *            A list of integers
 * @return The largest number in the given list
 */
public static int largest(int[] list) {
    int index, max = Integer.MAX_VALUE;
    for (index = 0; index < list.length - 1; index++) {
        if (list[index] > max) {
            max = list[index];
        }
    }
    return max;
}

From source file:Main.java

public static String[] getStackTrace(long threadID) {
    ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
    ThreadInfo threadInfo = threadMXBean.getThreadInfo(threadID, Integer.MAX_VALUE);

    List<String> buf = new ArrayList<String>();

    if (threadInfo == null) {
        return buf.toArray((String[]) Array.newInstance(String.class, buf.size()));
    }//w  w  w. java 2s  . c o m

    StackTraceElement[] stackTrace = threadInfo.getStackTrace();
    for (int i = 0; i < stackTrace.length; i++) {
        StackTraceElement ste = stackTrace[i];
        buf.add("\t" + ste.toString());

        if (i == 0 && threadInfo.getLockInfo() != null) {
            Thread.State ts = threadInfo.getThreadState();
            switch (ts) {
            case BLOCKED:
                buf.add("\t-  blocked on " + threadInfo.getLockInfo());
                break;
            case WAITING:
                buf.add("\t-  waiting on " + threadInfo.getLockInfo());
                break;
            case TIMED_WAITING:
                buf.add("\t-  waiting on " + threadInfo.getLockInfo());
                break;
            default:
            }
        }

        for (MonitorInfo mi : threadInfo.getLockedMonitors()) {
            if (mi.getLockedStackDepth() == i) {
                buf.add("\t-  locked " + mi);
            }
        }
    }

    LockInfo[] locks = threadInfo.getLockedSynchronizers();
    if (locks.length > 0) {
        buf.add("\n\tNumber of locked synchronizers = " + locks.length);
        for (LockInfo li : locks) {
            buf.add("\t- " + li);
        }
    }

    return buf.toArray((String[]) Array.newInstance(String.class, buf.size()));
}

From source file:Main.java

public static int subAndCheck(int x, int y) {
    long s = (long) x - (long) y;
    if (s < Integer.MIN_VALUE || s > Integer.MAX_VALUE) {
        throw new ArithmeticException("overflow: subtract");
    }//from   ww  w.  j a  va 2  s  . co  m
    return (int) s;
}

From source file:Main.java

/**
 * Returns the concatenation of the input arrays in a single array. For example,
 * {@code concat(new byte[] {a, b}, new byte[] {}, new byte[] {c}} returns the array
 * {@code {a, b, c}}./*from  w w  w . j  av a 2 s .  c  o  m*/
 *
 * @return a single array containing all the values from the source arrays, in order
 */
public static byte[] concat(byte[]... chunks) throws GeneralSecurityException {
    int length = 0;
    for (byte[] chunk : chunks) {
        if (length > Integer.MAX_VALUE - chunk.length) {
            throw new GeneralSecurityException("exceeded size limit");
        }
        length += chunk.length;
    }
    byte[] res = new byte[length];
    int pos = 0;
    for (byte[] chunk : chunks) {
        System.arraycopy(chunk, 0, res, pos, chunk.length);
        pos += chunk.length;
    }
    return res;
}

From source file:Main.java

/**
 * Check whether my service is running.// w  w  w  .  jav a  2 s  .  co  m
 * @param context application's context
 * @param serviceClass class of the service to look for
 * @return true if the service is running, false otherwise
 */
public static boolean isMyServiceRunning(Context context, Class<?> serviceClass) {
    ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE))
        if (serviceClass.getName().equals(service.service.getClassName()))
            return true;
    return false;
}

Example usage for java.lang Integer MAX_VALUE

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