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publicclassSolution{publicstaticvoidmain(String[]args){// Create a Scanner object to read input from stdin.Scannerscan=newScanner(System.in);// Read a full line of input from stdin and save it to our variable, inputUser.StringinputUser=scan.nextLine();// Close the scanner object, because we've finished reading // all of the input from stdin needed for this challenge.scan.close();// Print a string literal saying "Hello, World." + the variable inputUser to stdout.System.out.println("Hello, World.\n"+inputUser);// TODO: Write a line of code here that prints the contents of inputUser to stdout.}}
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Day 0: Hello, World.
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other way to understand in java