How to send GET and POST requests using standard HttpURLConnection class from Java. Simple examples for both methods.

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How to convert String to double in Java using Double.parseDouble and Double.valueOf methods. Simple example provided.

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How to convert String to float in Java using Float.parseFloat and Float.valueOf methods. Simple example provided.

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Simple example how to convert a String object InputStream object in Java using ByteArrayInputStream class.

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How to convert String to long in Java using Long.parseLong and Long.valueOf methods. Simple example provided.

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How to convert String to int in Java using Integer.parseInt and Integer.valueOf methods. Simple example provided.

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