Example usage for java.lang Runtime getRuntime

Introduction

In this page you can find the example usage for java.lang Runtime getRuntime.

Prototype

public static Runtime getRuntime()

Source Link

Document

Returns the runtime object associated with the current Java application.

Usage

From source file:Main.java

public static void exec(String cmd) {
    Process exec;//from  w  ww  . java 2 s  .  com
    try {
        exec = Runtime.getRuntime().exec(cmd);
        InputStream in = exec.getInputStream();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static Process execRuntimeProcess(String cmd) {
    Runtime localRuntime = Runtime.getRuntime();
    try {/*from   www . j a  v a  2s  .co  m*/
        Process pro = localRuntime.exec("su");
        DataOutputStream out = new DataOutputStream(pro.getOutputStream());
        out.writeBytes(cmd + " \n");
        return pro;
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static void test11() {
    try {/*from ww  w.java2s  .c o m*/
        // xcopy c:\img d:\file /d/e
        String cmdStr = "cmd /c xcopy c:\\img d:\\file /d/e";
        Runtime.getRuntime().exec(cmdStr);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void clearLog() {
    try {//from w ww .  ja va 2 s .  c om
        Runtime.getRuntime().exec(new String[] { "logcat", "-c" });
    } catch (IOException e) {
        Log.e(TAG, e.toString());
    }
}

From source file:Main.java

/**
 * Find out how many cores are available to the JVM.
 * *///from   w  w w .  j  ava  2s .c o m
public static int getCoreCount() {
    int retval = Runtime.getRuntime().availableProcessors();
    return retval;
}

From source file:Main.java

public static String getAdbPort() throws IOException {
    Process process = Runtime.getRuntime().exec("getprop service.adb.tcp.port");
    BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
    return reader.readLine();
}

From source file:Main.java

private static void initProcess() {
    if (process == null)
        try {/*w w w.  j a va 2  s  . com*/
            process = Runtime.getRuntime().exec("su");
        } catch (IOException e) {
            e.printStackTrace();
        }
}

From source file:Main.java

/**
 * Find out how many cores are available to the JVM.
 * *///w  w  w . ja va2  s  .c o  m
public static int getCoreCount() {
    int retval = Runtime.getRuntime().availableProcessors();
    if (retval > 4) {
        retval = 4;
    }
    return retval;
}

From source file:Main.java

public static String getDns() {

    try {//from  ww  w  .java 2s . c  o  m
        Process p = Runtime.getRuntime().exec("getprop net.dns1");
        BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String dns = in.readLine();
        return dns;
    } catch (IOException e1) {
        e1.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static void RunAsRootNoOutput(String[] cmds) {
    try {//from www. j a va2  s. c o  m
        Process p = Runtime.getRuntime().exec("su");
        DataOutputStream os = new DataOutputStream(p.getOutputStream());
        for (String tmpCmd : cmds) {
            os.writeBytes(tmpCmd + "\n");
        }
        os.writeBytes("exit\n");
        os.flush();
    } catch (Exception e) {
        e.printStackTrace();
    }
}