What is the result? A. Java Java Java B. Java Jeve va C. Java Jeve ve D. Compilation fails

Which two items can legally be contained within a java class declaration? A. An import statement B. A field declaration C. A package declaration D. A method declaration

What is the result? A. 10 : 10 B. 5 : 5 C. 5 : 10 D. Compilation fails

What is the result? A. The sum is 2 B. The sum is 14 C. The sum is 15 D. The loop executes infinite times E. Compilation fails

Which code fragment can be inserted at line "//insert code here" to enable the code to compile?

What is the result? A. 3 4 5 6 B. 3 4 3 6 C. 5 4 5 6 D. 3 6 4 6

Which code fragment, when inserted at line 3, enables the code to print 10:20? A. int[] array n= new int[2]; B. int[] array; array = int[2]; C. int array = new

What is the result? A. hEllOjAvA! B. Hello java! C. Out of limits hEllOjAvA! D. Out of limits

當我們需要對照圖片壓縮前後的差異，或是對照差異很小的波形圖或是頻譜圖等複雜的圖形時，若是用肉眼直接對照，看一兩張圖還好，若是有很多張圖要處理，那可真是傷眼。ImageDifferencer是一個簡單的程式，可以將兩張圖片做「減法」運算，並將運算結果最大化，讓兩張圖片的差異看起來更明顯，最後將結果直接輸出成另一張圖片。

MagicImage是一個Java函式庫，可以用來存取不同格式的圖片，也可以快速進行圖片的相關操作，包括圖片剪裁、縮放、銳利化、模糊化、色彩轉換、壓縮與交錯化圖片。