How to Check Free Disk Space in Java import java.io.File; publicclassDiskSpaceChecker{ public staticvoidmain(String[]args){ // Check primary disk File diskPartition =newFile("/"); long freeSpace = diskPartition.getFreeSpace(); double freeSpaceGB = freeSpace /(1024.0*1024.0*1024.0); ...
This tutorial introduces how to split a string by space in Java.There are several ways to split a string in Java, such as the split() method of the String class, the split() method of the StringUtils class, the StringTokenizer class, the compile() method of Pattern, etc....
In the context of thereplaceAll()method in Java, theoriginalStringserves as the input string containing spaces. This method is invoked with two parameters: the first being the regular expression to search for, represented by the space character" ", and the second being the replacement string, de...
This_blog_is_Java2blog As you can see, replace() method replaceed each space with underscore.2. Using replaceAll() methodUse replaceAll() method to replace space with underscore in java. It is identical to replace() method, but it takes regex as argument. You can go through difference ...
To help you answer this question, let’s analyze a few of the the possible error messages: java.lang.OutOfMemoryError: Java heap space java.lang.OutOfMemoryError: PermGen space java.lang.OutOfMemoryError: Requested array size exceeds VM limit ...
This chapter packs a lot of information into a small space, but you don’t need to master everything here. You can easily skim the material and come back later. The discussion of shared libraries is likely the most important thing that you need to know. But to understand where shared lib...
Space-based architecture Designing architecture is a crucial job that’s why java developers with 10 or more years of experience are supposed to do this job. Always try to find out whether the java software development company you are interviewing is aware of these concepts, if they don’t kn...
In the navigation pane, select Metrics and select the namespace to see both Spring Boot metrics and custom metrics, if any. In the navigation pane, select Live Metrics to see the real-time metrics for different dimensions. In the navigation pane, select Availability to monitor the availability...
To specify exact sizes, and to specify how much space the browser allocates to a row or column of frames when the browser window size doesn’t allow the frames to display at full size, use the Property inspector. Select frames and framesets ...
1. Convert String to Integer Below example usesInteger.valueOf(String)to convert aString"99" to an objectInteger. ConvertStringToInteger.java packagecom.mkyong.string;publicclassConvertStringToInteger{publicstaticvoidmain(String[] args){Stringnumber="99";// String to integerIntegerresult=Integer.value...