1 If you had the test to screen for colon cancer and you're at average risk â you have no colon cancer risk factors other than age â your doctor may recommend waiting one year and then repeating the test. 2  Positive result. 3  A fecal occult blood test is considered positive if blood is detected in your stool samples. A fecal occult blood test is considered positive if blood is detected in your stool samples. 2  You may need additional testing â such as a colonoscopy â to locate the source of the bleeding.
1 Note that we have to import java.util.InputMismatchException in order to use the InputMismatchException class.  We are using a while loop to ask the user the same question until the user enters the correct input.
Loops are an essential construct in any programming language as they enable a block of code to be repeatedly executed. This can be useful for iterating through items in an object or repeatedly performing an operation. This tutorial covers the five types of loops that are provided in PowerShell â namely For, ForEach, While, Do-While, and Do-Until. ForEach Loop. The foreach statement is very useful in PowerShell when you need to loop through an array or loop through items in an object.