Modern Java is quite fast and is comparable to C++ code base but it still takes lot of memory. Slowness of Java programs is primarily because of bad programming practices. But following areas are where Java can be improved.Java libraries are written keeping readability and correctness in mind, not performance.Slow ... Read More

Set pathAssuming you have installed Java in c:\Program Files\java\jdk directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, alter the 'Path' variable so that it also contains the path to the Java executable. Example, if the path is currently set to 'C:\WINDOWS\SYSTEM32', then change ... Read More

Following are the required steps −Assuming you have installed Java in c:\Program Files\java\jdk directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, alter the 'Path' variable so that it also contains the path to the Java executable. Example, if the path is currently set to 'C:\WINDOWS\SYSTEM32', ... Read More

Set pathAssuming you have installed Java in c:\Program Files\java\jdk directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, alter the 'Path' variable so that it also contains the path to the Java executable. Example, if the path is currently set to 'C:\WINDOWS\SYSTEM32', then change ... Read More

When a mouse event is triggered, the pageY mouse event property is used to get the vertical coordinate of the mouse pointer. The coordinate is relative to the screen.ExampleYou can try to run the following code to learn how to implement pageY Mouse event in JavaScript.         ... Read More

The onpagehide event triggers in JavaScript when a user leaves the page and decides to move to another. Some examples include age refresh, a link is clicked, etc.ExampleYou can try the following code to learn how to implement onpagehide event in JavaScript.           Close the ... Read More

I am not sure that there exists a BAPI to see list of all BAPI’s in SAP system. You can use the Function module RFC_FUNCTION_SEARCH to search for function modules starting with BAPI*.ExampleYou can call Function Module-BAPI_MONITOR_GETLIST to get list of all available BAPI’s.CALL FUNCTION'BAPI_MONITOR_GETLIST' EXPORTING OBJECTTYPE = p_ojtpe SHOW_RELEASE ... Read More

The StringTokenizer class of the java. util package allows an application to break a string into tokens.This class is a legacy class that is retained for compatibility reasons although its use is discouraged in new code.Its methods do not distinguish among identifiers, numbers, and quoted strings.These class methods do not ... Read More

The java.lang.String.contains() method returns true if and only if this string contains the specified sequence of char values.ExampleLive Demopublic class Sample {    public static void main(String args[]){       String str = "Hello how are you welcome to tutorialspoint";       String test = "tutorialspoint";     ... Read More

The concat() method of the String class concatenates the specified string to the end of this string.Exampleimport java.lang.*; public class StringDemo {    public static void main(String[] args) {       // print str1       String str1 = "self";       System.out.println(str1);           ... Read More