if/else Statement - Java Language Basics

Java examples for Language Basics:if

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Description

if/else Statement 

if (condition) {
    body-code
}

Demo Code

public class Main {
  public static void main(String[] argv) throws Exception {
    getTimeUnit(123); // 123 ms
    getTimeUnit(1234); // 1 sec
    getTimeUnit(12345); // 12 sec
    getTimeUnit(123456); // 2 min
    getTimeUnit(1234567); // 20 min
    getTimeUnit(12345678); // 3 hr
    getTimeUnit(123456789); // 1 days
    getTimeUnit(1234567890); // 14 days
    getTimeUnit(12345678900L); // 142 days
    getTimeUnit(123456789000L); // 3 years
  }// Converts the time, which is in milliseconds, into a

  // more readable format with higher units
  public static String getTimeUnit(long time) {
    String unit = "ms";
    if (time >= 365 * 24 * 60 * 60 * 1000L) {
      unit = "years";
      time /= 365 * 24 * 60 * 60 * 1000L;
    } else if (time >= 24 * 60 * 60 * 1000) {
      unit = "days";
      time /= 24 * 60 * 60 * 1000;//  w w  w. j  ava2s. c  o  m
    } else if (time >= 60 * 60 * 1000) {
      unit = "hr";
      time /= 60 * 60 * 1000;
    } else if (time >= 60 * 1000) {
      unit = "min";
      time /= 60 * 1000;
    } else if (time >= 1000) {
      unit = "sec";
      time /= 1000;
    }
    // Execution continues here if any of the conditions match
    return time + " " + unit;
  }
}

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