在Java中,我们也可以通过数学运算或位运算等方式实现不使用临时变量的交换。 使用加法和减法 publicclassSwapWithoutTemp{publicstaticvoidmain(String[]args){inta=5;intb=10;System.out.println("Before Swap: a = "+a+", b = "+b);a=a+b;// a现在是15b=a-b;// b现在是5a=a-b;// a现在是10S...
public Point swap2(java.awt.Point p) { if (p == null) throw new NullPointerException(); int temp = p.x; p.x = p.y; p.y = temp; return p; } 1. 2. 3. 4. 5. 6. 7. 8. 用法: int[] values = swap1(new int[]{x,y}); x = values[0]; y = values[1]; Point p...
The logic toswap the two arrays without using a third variableis as follows ? for(i=0;i<size;i++){first[i]=first[i]+sec[i];sec[i]=first[i]-sec[i];first[i]=first[i]-sec[i];} Program The following C program swaps two arrays without using a temporary variable. It reads the ...
The value of the first number and the second number are switched using a temporary variable, as can be seen in the output. Swap Two Numbers in Java Without Using a Temporary Variable Previously, we observed the use of a temporary variable to swap two numbers in Java. Let’s now examine ...
Use a Function to Swap Values Rather Than Explicit Implementation to Hide Temporary Variable Use in C#You can do something as follows.static void swap(ref int x, ref int y) { var temp = x; x = y; y = temp; } And then call it below as:swap(ref val_one, ref val_two); Console...
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In the example above, we have exchanged the lettergon index 6 with the letteraon index0. Theswapmethod has only exchanged these two letters without interfering with any other list elements. Swap Two Characters in a Java String One of the string value’s main properties is that it is immutab...
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b=temp println("Values after swapping:\t a= "+a+", b= "+b)}} Output Values before swapping: a= 10, b= 20 Values after swapping: a= 20, b= 10 2) Swapping two numbers without using third variable We can also swap two numbers without using the third variable. This method saves ...
// Swap adjacent elements for i:=0;i<=4;{ temp = arr[i] arr[i] = arr[i + 1] arr[i + 1] = temp i=i+2 } In the above code, we swapped adjacent elements in the array. After that, we printed the update array on the console screen....