how to take multiple input in java
how to take multiple input in java
In Java, you can take multiple inputs from the user using the Scanner class from the java.util package. You can create a Scanner object to read input from the user. To take multiple inputs in the same line, you can use the next() method to read a single word, nextInt() to read an integer, nextDouble() to read a double, and so on. To read multiple inputs on separate lines, you can use nextLine() method for each input. Make sure to handle the input values appropriately based on the data type you are reading. Remember to close the Scanner object once you are done with reading inputs to avoid resource leaks.
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- Use Scanner class to read inputs from the user
- - Initialize a new Scanner object by passing System.in as argument
- - Use Scanner’s nextInt() method to read integers, nextDouble() for doubles, next() for strings, etc.
- - Encapsulate the whole input process in a loop to read multiple values
- - Prompt the user for each input to provide a clear understanding of what is expected
- - Store the input values in variables for further processing
- - Handle exceptions in case of invalid inputs to avoid program crashing
- - Consider using methods like hasNextInt() or hasNextDouble() to check for the presence of the next input
- - Provide a validation mechanism to ensure that the inputs meet certain criteria
- - Utilize arrays or ArrayList to store multiple inputs of the same type efficiently
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