What is the difference between java.exe in the jdk/bin directory, and java.exe in the jdk/jre/bin directory?. I'm using java 1.5, and I get a java.lang.UnsupportedClassVersionError with the 1st one, and with the 2nd one works ok.
Working with files is a moderately common task in Java. For most projects hard coding the file names, using parameters in configuration files, or using command-line arguments is sufficient.
However, when your application has vi…
Java can be integrated with native programs using an interface called JNI(Java Native Interface). Native programs are programs which can directly run on the processor. JNI is simply a naming and calling convention so that the JVM (Java…
Viewers learn how to read error messages and identify possible mistakes that could cause hours of frustration. Coding is as much about debugging your code as it is about writing it.
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