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java.lang.ObjectInOut
public class InOut
Support class for console input and output of numeric values.
Example for input:
int age = InOut.readInt("Your age: ");
Example for output:
System.out.println("price: " + InOut.format2(prize) + "Euro");
System.out.println("percent: " + InOut.formatN(percent, 1) + " %");
Constructor Summary | |
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InOut()
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Method Summary | |
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static java.lang.String |
format2(double d)
Formats a double-value with 2 decimal digits. |
static java.lang.String |
formatN(double d,
int N)
Formats a double-value with N decimal digits. |
static boolean |
readBoolean(java.lang.String prompt)
Reads a boolean-value from console. |
static char |
readChar(java.lang.String prompt)
Reads a char-value from console. |
static double |
readDouble(java.lang.String prompt)
Reads a double-value from console. |
static float |
readFloat(java.lang.String prompt)
Reads a float-value from console. |
static int |
readInt(java.lang.String prompt)
Reads an int-value from console. |
static java.lang.String |
readln()
Reads a string-value from console without prompt. |
static long |
readLong(java.lang.String prompt)
Reads a long-value from console. |
static java.lang.String |
readString(java.lang.String prompt)
Reads a string-value from console. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public InOut()
Method Detail |
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public static java.lang.String format2(double d)
public static java.lang.String formatN(double d, int N)
public static boolean readBoolean(java.lang.String prompt)
public static char readChar(java.lang.String prompt)
public static double readDouble(java.lang.String prompt)
public static float readFloat(java.lang.String prompt)
public static int readInt(java.lang.String prompt)
public static long readLong(java.lang.String prompt)
public static java.lang.String readString(java.lang.String prompt)
public static java.lang.String readln()
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