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java.lang package
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This package is considered the main one. It contains classes that correspond to the basic data types (let’s say the Number class is for numeric data). Let’
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What is JDK? Download JDK from the official site.
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JDK stands for Java Development Kit. This is a free Java application development kit. It includes the Java compiler (javac), standard Java class libraries
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How to convert milliseconds to the proper date format
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How to convert milliseconds in Oracle to the proper date format. Here is how to convert milliseconds to the proper date format: select TO_DATE('01/01/1970
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How to use Java File separator, separatorChar
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The directory separator in Unix operating systems is a slash (right direction) – an example is /. The directory separator in the Windows operating
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