What is the purpose of the substring() method and how do you use it?
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You can extract part of a String with the substring() method, and use it alone or concatenate it with another String. The substring() method takes two integer arguments-a start position and an end position-that are both based on the fact that a String's first position is position zero. The length of the extracted substring is the difference between the second integer and the first integer; if you write the method without a second integer, the substring extends to the end of the original string.
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What is the purpose of the swap space in CentOS 7?
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Match the following Web surfing problems to their explanations:
I. "Page Not Found" message II. wrong site reached III. part of page not working IV. slow page download V. Web page is garbled A. you have the wrong address B. there is a spelling mistake in the address or the server is down C. it is a peak, high traffic time of the day D. the Internet connection was interrupted E. the needed plug-in is not installed
Match each Slicer Tools command group with the corresponding description:
I. Slicer II. Slicer Styles III. Arrange IV. Buttons V. Size A. Specifies the slicer's placement in relation to other groups, such as placing a slicer on top of other slicers. B. Sets the height and width of the slicer window. C. Defines how many columns are displayed in the selected slicer and the height and width of each button inside the slicer. D. Applies a style to the slicer by specifying the color of the filtered item in the slicer. E. Enables you to change the slicer caption, display the Slicer Settings dialog box for further customization, and manage the PivotTable connected to the slicer.
A hierarchy is an arrangement where items are ranked and where each level is lower in rank than the item above it
Indicate whether the statement is true or false