74 lines
2.0 KiB
Java
74 lines
2.0 KiB
Java
package various_tests;
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import java.io.*;
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/**
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* The Class Input is here to enter data with the keyboard.<br>
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* The types below are supported by the Input class. <br><br>
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* - String <br> - Integer (int) <br> - Double (double) - Boolean (boolean) <br> - Character (char) <br> <br><br>
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* @see #readString()
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* @see #readInt()
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* @see #readDouble()
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* @see #readBoolean()
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* @see #readChar()
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*/
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public class Input
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{
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/**
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* Reads a String from the console.
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* @return The typed string
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* @see java.lang.String
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*/
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public static String readString()
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{
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BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
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try {return stdin.readLine(); }
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catch (Exception ex) { return "";}
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}
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/**
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* Reads an Integer from the console.
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* @return The typed Integer or 0 if the typed Integer is invalid
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* @see java.lang.Integer
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*/
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public static int readInt()
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{
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BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
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try { return Integer.parseInt(stdin.readLine()); }
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catch (Exception ex) { return 0; }
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}
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/**
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* Reads a Double from the console.
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* @return The typed Double or 0 if the typed Double is invalid
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* @see java.lang.Double
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*/
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public static double readDouble()
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{
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BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
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try { return Double.parseDouble(stdin.readLine()); }
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catch (Exception ex) { return 0; }
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}
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/**
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* Reads a boolean from the console.
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* @return The typed boolean or false if the typed boolean is other than "true"
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*/
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public static boolean readBoolean()
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{
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BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
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try { return (Boolean.valueOf(stdin.readLine())).booleanValue(); }
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catch (Exception ex) {return false; }
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}
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/**
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* Reads a char from the console.
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* @return The typed char or the character 0 if the typed char is invalid
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*/
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public static char readChar()
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{
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BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
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try { return stdin.readLine().charAt(0); }
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catch (Exception ex) {return '\0'; }
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}
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} |