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Java: Difference between PrintStream and PrintWriter
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Since Java 1.5, PrintStream has not been limited to using the platform default encoding; there are constructors that accepts a charset name. Thus the distinctions between PrintStream and PrintWriter are that a PrintWriter cannot wr...
Converting an int to a binary string representation in Java?
...(ideally, simplest) to convert an int to a binary string representation in Java?
16 Answers
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How do I find the caller of a method using stacktrace or reflection?
...kTraceElements = Thread.currentThread().getStackTrace()
According to the Javadocs:
The last element of the array represents the bottom of the stack, which is the least recent method invocation in the sequence.
A StackTraceElement has getClassName(), getFileName(), getLineNumber() and getMet...
JMS and AMQP - RabbitMQ
...e not a teacher :) ) Let's see all of these one by one.
As you know:
The Java Message Service (JMS) API is a Java Message Oriented Middleware (MOM) API for sending messages between two or more clients. JMS is a part of the Java Platform, Enterprise Edition, and is defined by a specification develo...
Array Length in Java
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Can you show the javadoc? I don't know where this "length" property is.
– Philip Rego
Feb 13 '18 at 18:44
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Convert String array to ArrayList [duplicate]
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Use this code for that,
import java.util.Arrays;
import java.util.List;
import java.util.ArrayList;
public class StringArrayTest {
public static void main(String[] args) {
String[] words = {"ace", "boom", "crew", "dog", "eon"};
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Rethrowing exceptions in Java without losing the stack trace
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In Java 7 compiler for such rethrow is more inteligent. Now it works fine with specific "throws" exceptions in containing method.
– Waldemar Wosiński
Jan 29 '13 at 16:18
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A simple scenario using wait() and notify() in java
...ad will call wait() again.
As some of the other answers have mentioned, Java 1.5 introduced a new concurrency library (in the java.util.concurrent package) which was designed to provide a higher level abstraction over the wait/notify mechanism. Using these new features, you could rewrite the orig...
Java array reflection: isArray vs. instanceof
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Right, in Java, primitive data types are not objects, and don't extend java.lang.Object, so that makes sense. But instanceof can still be used to test for primitive arrays.
– erickson
Feb 13 '13 a...
ProcessBuilder: Forwarding stdout and stderr of started processes without blocking the main thread
I'm building a process in Java using ProcessBuilder as follows:
10 Answers
10
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