From 952dd2eea1c132480e386064615b35c2375384dd Mon Sep 17 00:00:00 2001 From: FedorSur Date: Mon, 16 Mar 2020 00:55:58 +0300 Subject: [PATCH] Update MyFirstClass.java All done --- src/lesson1/MyFirstClass.java | 54 +++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/src/lesson1/MyFirstClass.java b/src/lesson1/MyFirstClass.java index d788b89..531d2ec 100644 --- a/src/lesson1/MyFirstClass.java +++ b/src/lesson1/MyFirstClass.java @@ -15,6 +15,60 @@ public static void main(String[] args) throws FileNotFoundException { System.out.println(in.nextLine()); } System.out.println("Hello world"); + byte by = 0; + short sh = 1; + int i = 2; + float f = 2.1f; + double d = 2.2; + long l = 3; + char ch = '4'; + boolean b = false; + System.out.println(thirdTask(1, 2, 3, 4)); + System.out.println(fourthTask(i, 0)); + System.out.println(fourthTask(i, 10)); + fifthTask(i); + fifthTask(-1); + System.out.println(sixthTask(i)); + seventhTask("Фёдор"); + eighthTask(2000); + eighthTask(2001); + } + static double thirdTask(double a, double b, double c, double d) { + return a * (b + (c / d)); + } + + static boolean fourthTask(double x, double y) { + boolean q = false; + x += y; + if (x >= 10 && x <= 20) + q = true; + return q; + } + + static void fifthTask(int x) { + if (x < 0) { + System.out.println("Число отрицательное"); + } else { + System.out.println("Число положительное"); + } + } + + static boolean sixthTask(int x) { + if (x < 0) + return true; + else + return false; + } + static void seventhTask(String str) { + System.out.println("«Привет, " + str + "!»"); + } + + static void eighthTask(int year) { + if (year % 4 == 0 &&((year % 100 != 0) || (year % 400 == 0))) { + System.out.println("Год високосный"); + }else { + System.out.println("Год не високосный"); + } } }