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How to make pipes work with Runtime.exec()?
...ocess".
At least with "ls" you have a language-independent (albeit slower) Java replacement. Eg.:
File f = new File("C:\\");
String[] files = f.listFiles(new File("/home/tihamer"));
for (String file : files) {
if (file.matches(.*some.*)) { System.out.println(file); }
}
With "ps", it's a bit ...
Java SecurityException: signer information does not match
... Can someone explain to newbies how to do that? I started working with java and spring a week ago and i'm lost.
– mghz
Mar 14 '14 at 21:51
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Generic type parameter naming convention for Java (with multiple chars)?
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Oracle recommends the following in Java Tutorials > Generics > Generic Types:
Type Parameter Naming Conventions
By convention, type parameter names are single, uppercase letters. This stands in sharp contrast to the variable naming conventions that you ...
Count lines of code in all java classes in Android Studio
Is there any way I can view the total lines of code in each java class in my project?
5 Answers
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How do you compare two version Strings in Java?
...recommended by Google, the method "matches" check the entire string unlike Java that uses a regulatory pattern. (Android documentation - JAVA documentation)
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Is it better practice to use String.format over string Concatenation in Java?
...tible difference between using String.format and String concatenation in Java?
14 Answers
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Initialize a long in Java
Primitive Data Types - oracle doc says the range of long in Java is -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 .
But when I do something like this in my eclipse
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Safe String to BigDecimal conversion
...);
Full code to prove that no NumberFormatException is thrown:
import java.math.BigDecimal;
public class Tester {
public static void main(String[] args) {
// TODO Auto-generated method stub
String value = "1,000,000,000.999999999999999";
BigDecimal money = new BigDe...
Where is the documentation for the values() method of Enum?
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You can't see this method in javadoc because it's added by the compiler.
Documented in three places :
Enum Types, from The Java Tutorials
The compiler automatically adds some special methods when it creates
an enum. For example, they have a st...
Java, Simplified check if int array contains int
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Here is Java 8 solution
public static boolean contains(final int[] arr, final int key) {
return Arrays.stream(arr).anyMatch(i -> i == key);
}
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